FIRE Corp specializes in recommending long-term financial portfolios for wealthy clients. One such client wishes to invest $3,800,000 in the following bonds: Bond Return Years to Maturity A1 2.3% 11 D2 11.50% 10 E3 17.25% 6 M4 4.75% 10 05 18.25% 7 56 9.80% 13 The client has made the following specifications: At least 2.5% should be invested in each bond. At least 40% should be invested in short-term bonds (maturing in less than 9 years). No more than 45% can be invested in D2, M4, and $6. For every $1 of investment in E3, there should be at least $2 in A1. FIRE Corp formulates this investment problem as a Linear Programming model that maximizes total returns, given the company's specifications. Nonnegative decision variables X1, X2, X3, X4, X5, X6 are defined that respectively represent the amount of money (in dollars) that is invested in each of the bonds Which of the following models represents the LP formulation