Deegan is considering using overtime to increase the available assembly time. What would you advise Deegan to do regarding this option? Explain.d$.$ Because of increased competition, Deegan is considering reducing the price of model DRB such that the new contribution to profit is $$175$ per unit. How would this change in price affect the optimal solution? Explain.e$.$ If the available manufacturing time is increased by $500$ hours, will the dual value for the manufacturing time constraint change? Explain.