Please solve both problems! I would greatly appreciate it, thank you! (:

If you are not able to read, I will transcribe the problems below:

5.

A state highway department is trying to decide whether it should hot-patch a short section of an existing country road or resurface it. If the hot-patch method is used, approximately 300 cubic meters of material would be required at a cost of $700 per cubic meter (in place). Additionally, the shoulders will have to be improved at the same time at a cost of $24,000. These improvements will last 2 years, at which time they will have to be redone. The annual cost of routine maintenance on the patched up road would be $5000. Alternatively, the state can resurface the road at a cost of $850,000. The surface will last 10 years if the road is maintained at a cost of $2000 per year beginning 4 years from now. No matter which alternative is selected, the road will be completely rebuilt in 10 years.

At an interest rate of 9% per year,

a. make a recommendation on the best alternative based on the annual worth analysis.

b. make a recommendation based on the present worth method.

6.

A new highway is to be constructed with two alternative designs. Design A calls for a concrete pavement costing $90 per foot with a 20-year life; two paved ditches costing $3 per foot each; and three box culverts every mile, each costing $9,000 and having a 20-year life. Annual maintenance will cost $1,800 per mile; the culverts must be cleaned every five years at a cost of $450 each per mile. Design B calls for a bituminous pavement costing $45 per foot with a 10-year life, two sodded ditches costing $1.50 per foot each; and three pipe culverts every mile, each costing $2,250 and having a 10-year life. The replacement culverts will cost $2,400 each. Annual maintenance will cost $2,700 per mile; the culverts must be cleaned yearly at a cost of $225 each per mile; and the annual ditch maintenance will cost $1.50 per foot per ditch. Compare the two designs using equivalent worth per mile for a 20-year period. Find the most economical design if the MARR is 6% per year.

5. A state highway department is trying to decide whether it should "hot-patch" a short section of an existing country road or resurface it. If the hot-patch method is used, approximately 300 cubic meters of material would be required at a cost of $700 per cubic meter (in place). Additionally, the shoulders will have to be improved at the same time at a cost of $24,000 These improvements will last 2 years, at which time they will have to be redone. The annual cost of routine maintenance on the patched up road would be $5000. Alternatively, the state can resurface the road at a cost of $850,000. The surface will last 10 years if the road is maintained at a cost of $2000 per year beginning 4 years from now. No matter which alternative is selected, the road will be completely rebuilt in 10 years. At an interest rate of 9% per year, a. make a recommendation on the best alternative based on the annual worth analysis b. make a recommendation based on the present worth method. 6. A new highway is to be constructed with two alternative designs. Design A calls for a concrete pavement costing $90 per foot with a 20-year life; two paved ditches costing $3 per foot each; and three box culverts every mile, each costing $9,000 and having a 20-year life Annual maintenance will cost $1,800 per mile; the culverts must be cleaned every five years at a cost of $450 each per mile. Design B calls for a bituminous pavement costing $45 per foot with a 10-year life, two sodded ditches costing $1.50 per foot each; and three pipe culverts every mile, each costing $2,250 and having a 10-year life. The replacement culverts will cost $2,400 each. Annual maintenance will cost $2,700 per mile; the culverts must be cleaned yearly at a cost of $225 each per mile, and the annual ditch maintenance will cost $1.50 per foot per ditch. Compare the two designs using equivalent worth per mile for a 20-year period. Find the most economical design if the MARR is 6% per year 5. A state highway department is trying to decide whether it should "hot-patch" a short section of an existing country road or resurface it. If the hot-patch method is used, approximately 300 cubic meters of material would be required at a cost of $700 per cubic meter (in place). Additionally, the shoulders will have to be improved at the same time at a cost of $24,000 These improvements will last 2 years, at which time they will have to be redone. The annual cost of routine maintenance on the patched up road would be $5000. Alternatively, the state can resurface the road at a cost of $850,000. The surface will last 10 years if the road is maintained at a cost of $2000 per year beginning 4 years from now. No matter which alternative is selected, the road will be completely rebuilt in 10 years. At an interest rate of 9% per year, a. make a recommendation on the best alternative based on the annual worth analysis b. make a recommendation based on the present worth method. 6. A new highway is to be constructed with two alternative designs. Design A calls for a concrete pavement costing $90 per foot with a 20-year life; two paved ditches costing $3 per foot each; and three box culverts every mile, each costing $9,000 and having a 20-year life Annual maintenance will cost $1,800 per mile; the culverts must be cleaned every five years at a cost of $450 each per mile. Design B calls for a bituminous pavement costing $45 per foot with a 10-year life, two sodded ditches costing $1.50 per foot each; and three pipe culverts every mile, each costing $2,250 and having a 10-year life. The replacement culverts will cost $2,400 each. Annual maintenance will cost $2,700 per mile; the culverts must be cleaned yearly at a cost of $225 each per mile, and the annual ditch maintenance will cost $1.50 per foot per ditch. Compare the two designs using equivalent worth per mile for a 20-year period. Find the most economical design if the MARR is 6% per year