James Carpenter is helping Jeannie Wales plan her portfolio from the following list of possible investments. Investment Cost Expected Return A 2,000 700 B 8,000 940 3,500 390 D 10,000 700 E 9,300 820 F 11,600 960 G 4,000 300 Jeannie has a total of 80,000 to invest. The following conditions must be met: (1) If investment C is chosen, then investment D must also be a part of the portfolio and vice versa. (2) at least five investments should be chosen and (3) of investment A and E exactly one must be included. Identify the type of integer programming modeling framework (i.e. 0-1, mixed integer or total integer) that applies to this problem and then formulate the linear programming model for the same. Note: You just need to provide the model. You do not have to solve it using excel solver