Adens Corporation's relevant range of activity is 2,000 units to 6,000 units. When it produces and sells 4,000 units, its average costs per unit are as follows: Average Cost per Unit Direct materials $ 6.25 Direct labor $ 2.80 Variable manufacturing overhead $ 1.55 Fixed manufacturing overhead $ 2.40 Fixed selling expense $ 0.50 Fixed administrative expense $ 0.40 Sales commissions $ 1.00 Variable administrative expense $ 0.50 If 5,000 units are sold, the variable cost per unit sold is closest to:

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