Sarah and stephanie are determined to make their business plan look as professional as possible. in order to make sure it's organized and presented correctly, they've decided to
a. focus on their anticipated profit margin.
b. hire a reliable attorney to look it over.
c. do extra research on their target market.
d. buy a software program made for the purpose.

Aaron corporation, which has only one product, has provided the following data concerning its most recent month of operations: selling price $ 102 units in beginning inventory 0 units produced 4,900 units sold 4,260 units in ending inventory 640 variable costs per unit: direct materials $ 20 direct labor $ 41 variable manufacturing overhead $ 5 variable selling and administrative expense $ 4 fixed costs: fixed manufacturing overhead $ 64,200 fixed selling and administrative expense $ 2,900 the total contribution margin for the month under variable costing is: