Please help me prepare for my final. Thanks!

(15) 3. Proposals A. B,C, D. E. F and G are being considered with money flows over 10 ears Investment Net Annual Benefit Salvage Value 35,000 $10,000 $65,000 $42,000 $12.000 $52,000 $27.000 $7.000 $2,200 S13.000 $9.000 $2,400 $11.000 $7.200 $3,000 O S5,000 2,000 $500 0 $1,000 are mutually exclusive, (C and D) are also mutually exclusive, and proposal B depends on C or D. The MARR is set at %. a) Formulate the problem with Integer Programming. b) Which proposal(s) should be selected if the amount of money available for investment is $100,000