1. Solve the following transportation model: Three commercial banks have decided to jointly finance five investment projects. The available capital for each bank and the capital requirement for each project (in millions of m.u.) as well as the unit profits of the financial investment (profit obtained for an invested unit) are given in the table. Given that there are no incompatibility relations between partners and objectives (projects), the optimal financing plan is required. Projects Banks B1 B2 B3 P 4 Required 130 capital P ++++ ++++ ++++ 4 P3 150 P4 140 180 Available capital 175 225 200 600 2. Build an equal total payment plan considering loan amount $2000, annual rate 5% and 4 annual payments. 3. Build an amortization table for an equal principal payment plan of a loan of $15 000 made with annual rate 12%, and 5 monthly payments.