HOW DO YOU FIGURE OUT THE LAST PART (C)?? EQUATIONS PLEASE!!

Prepare the journal entries to record the following transactions on Carla Vista Company's books using a perpetual inventory system. (If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually. Record journal entries in the order presented in the problem.) (a) On March 2, Carla Vista Company sold $945,800 of merchandise to Tamarisk Company on account, terms 3/10, n/30. The cost of the merchandise sold was $531,700. (b) On March 6, Tamarisk Company returned $102,500 of the merchandise purchased on March 2. The cost of the merchandise returned was $68,300 (c) On March 12, Carla Vista Company received the balance due from Tamarisk Company. Account Titles and Explanation Debit Credit No. Date (a) March 2 Accounts Receivable 945,800 945,800 Sales Revenue (To record sale of merchandise) March 2 Cost of Goods Sold 531,700 Inventory 531,700 March 6 (b) Sales Returns and Allowances 102,500 Accounts Receivable 102,500 (To record return of merchandise) March 6 68,300 Inventory (c) March 12 Cash 824,434 Sales Discounts 16,866 Accounts Receivable 843,300