SmoothTalk offers cell phone service utilizing three distribution channels. Profit, advertising cost and personal sales time data for each of the distribution channels are given below. Due to supply chain issues, the distributor for SmoothTalk can only produce 1200 units per period. Distribution Channel Profit Per Unit sold Advertising cost per unit sold Personal sales effort per unit sold. EasyTalk stores $75 $10 4 hours Mail Orders $65 $16 None Local departmental stores $89 $9 4 Hours What is the objective function formula for maximizing profit? Question 33 options: Profit=$75(ET)-$10(ET)+$65(MO)-$16(MO+$89(LD)-$9(LD) N/A, the function is to minimize advertising costs Profit=$75(ET)+$65(MO)+$89(LD) Profit = MAX(LD)*89