Question: Problem 13.05 Algo (Applications involving Binary Variables) Spencer Enterprises is attempting to choose among a series of naw investment atarnatives. The potential investmant atternativn, the



Problem 13.05 Algo (Applications involving Binary Variables) Spencer Enterprises is attempting to choose among a series of naw investment atarnatives. The potential investmant atternativn, the nat preaent watie if the capital requirements, and the available capital funds over the nent three years are runverized as follows: (a) Develop and solve an integer programming mocel for maximizing the net present value. Let x1={1ifinvertmentatemativetisselected0otherwise Let x={Iifanvertmentaltenative1isselected0otherwise Max sit. Select the correct answers below. Optimal Solutisn: Sraiect the correct answers below, Gptimal Soluciont (i) x1=x (ii) 41+k71 (1ii) +x>1 (iv) Aisent of the abowe. of the follgwing constraint emate be added to the modet in part (tai? (i) xx (iii) x4x (1i) x+x+1 (10)3+x41
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