A new highway is to be constructed. Design A calls for a concrete pavement costing $85 per foot with a 12-year if two paved ditches costing $4 per foot each and four box culverts every mile, each costing $0,000 and having a 12-year life. Annual maintenance will cost $1,000 per mile, the culverts must be cleaned every three years at a cost of $400 each per mle Design B calls for a bituminous pavement costing $30 per foot with a 6-year life; three sodded ditches costing $1.50 per foot each and four pipe culverts every mile, each costing $2.300 and having a 6-yoar ite. The replacement culverts will cost $2,500 each. Annual maintenance will cost $2.700 per mile, the culverts must be cleaned yearly at a cost of $230 each per mile and the annual ditch mantanance will cost $1.35 per foot perditch Compare the two designs on the basis of equivalent worth per mile for a 12-year period. Find the most economical design on the basis of A and PW if the MARR is 8 per year. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 0% per year The AW value for Design A is $mi (Round to the nearest hundreds)