Example 2 Projects B1 and B2 are mutually exclusive. Projects CI and C2 are mutually exclusive and dependent on the acceptance of B2. Finally, project D is dependent on the acceptance of Cl. Assuming that MARR-10% per year. Capital availability is limited to $48,000. Formulate the problem as LP model cash flow ($000) for end of year k 4 PW 1 Project 0 -50 -30 20 20 $13.40 12 $8.04 4 ($1.32) 5 $0.85 6 $9.02 20 20 B1 12 12 12 B2 4 4 4 -14 C1 -15 C2 -10