ASAP please answer this HANDWRITTEN and COMPLETE for an UPVOTE. It is operations research.

1. (10 pts) Five projects are being evaluated over a 3-year planning horizon. The following bhle gives the expected returns for each project and the associated yearly expenditures. Formulate an II.P model that would maximixe the returns over 3 years from the five projects. A. (1 pt) Define the decision variables of the model H 12 neci Fermalate the nhioctive function of the madsel C. (3 pes) Formulate the constraints of the model. 1 D. (2 pts) Suppose that Project 5 mast be selected if either Project 1 or 3 is selected. Farmulate the necessary coestraint for thas additional requifement. E. (2 pts) Suppose that Projects 2 and 3 are mutually exclusive. Focrmulate the necesury coestraint for this additional requirement