(d) Illustrate graphically the effect of increasing contribution rate of your first variable (x. 50% over the value you first assigned it. De this change the optimal solution? 7-13 Explain how a change in a technological coefficient can affect a problem's optimal solution. How can a change in resource availability affect a solution? Problems 2. 7-14 The Electrocomp Corporation manufactures two electrical products: air conditioners and large fans. The assembly process for each is similar in that both Tequire a certain amount of wiring and drilling. Each air conditioner takes 3 hours of wiring and 2 hours of drilling. Each fan must go through 2 hours of wiring and 1 hour of drilling. During the next production period, 240 hours of wiring time are available and up to 140 hours of drilling time may be used. Each air conditioner sold yields a profit of $25. Each fan assembled may be sold for a $15 profit. Formulate and solve this LP production mix situation to the the best combination of air conditioners and rams that yields the highest profit. Use the corner por graphical approach. -15 Electrocomp's management realizes that it forgo include two critical constraints (see Problem 7-14). In particular, management decide be a minin management decides that there should