Which of the following explains why two-part pricing causes customers who purchase few units to pay more per unit than customers who buy more units? a. the average lump-sum fee is constant while the average per-unit price decreases as the quantity purchased increases. b. customers who purchase few units pay a larger lump-sum fee than those customers who buy more units. c. customers who purchase few units pay a larger per-unit price than those customers who buy more units. d. the average per-unit price is constant while the average lump-sum fee decreases as the quantity purchased increases.

Required: 1-a. the marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $9,000. calculate the increase or decrease in net operating income. 1-b. should the advertising budget be increased ? yes no hintsreferencesebook & resources hint #1 check my work 8.value: 1.00 pointsrequired information 2-a. refer to the original data. management is considering using higher-quality components that would increase the variable expense by $2 per unit. the marketing manager believes that the higher-quality product would increase sales by 10% per month. calculate the change in total contribution margin. 2-b. should the higher-quality components be used? yes no