Proposals A, B, C, D, E, F and G are being considered with money flows over 10 years. A B C D E F G Investment $30,000 $10,000 $55,000 $54,000 $20,000 $65,000 $27,000 Net Annual Benefit $7,000 $2,400 $10,000 $12,000 $4,000 $11,500 $7,500 Salvage Value $3,000 $0 $5,000 $2,000 $500 0 $1,000 Proposal (A and G) are mutually exclusive, (C and D) are also mutually exclusive, and proposal B depends on C or D. The MARR is set at 11%. 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?