Sye chase started and operated a small family architectural firm in year 1. the firm was affected by two events: (1) chase provided $23,900 of services on account, and (2) he purchased $7,600 of supplies on account. there were $900 of supplies on hand as of december 31, year 1. record the two transactions in the accounts.

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: