Hello I need help with checking my work and completing 5/7 transaction. Thank you!

Bill's Music sells CDs. They have the following transactions for May. 5/1 5/2 5/5 5/7 5/8 5/9 5/29 5/30 5/31 Purchase 1000 CDs on account (2/10 n30 FOB Shipping) at $3 each and put into inventory Freight on the 5/1 purchase was $250. Pay in cash Sell 100 CDs for $1,200 - on account. CDs sold cost $300. Terms are 1/10 n30 Return 50 of the CDs purchased on 5/1 - defective ($3 each) Pay for the CDs (not the freight) purchased on 5/1 - net of returns/discount Receive Payment for sale on 5/5 Pay salaries of $500 Inventory Buy 100 more CDs at $4 each - cash Sell 200 CDs for $2,500 - all cash. CDs sold cost $600. What is the ending balance of the Inventory Account CREDIT $ 3,000.00 $ 250.00 $ 1,200.00 $ 300.00 $ 150.00 Use the space below to make all entries for the month. ACCOUNT DEBIT 1-May Merchandise Inventory $ 3,000.00 Accounts Payable 2-May Merchandise Inventory $ 250.00 Cash 5-May Accounts Receivable $ 1,200.00 Sales Revenue Cost of Goods Sold $ 300.00 Merchandise Inventory 7-May Sales Returns and Allowances $ 150.00 Accounts Receivable Merchandise Inventory Cost of Goods Sold 8-May Accounts Payable $ 3,000.00 Cash Merchandise Inventory 9-May Cash $ 1,200.00 Sales Discounts Accounts Receivable 29-May Salaries and Wages Expense $ 500.00 Cash 30-May Merchandise Inventory $ 400.00 Cash 31-May Accounts Receivable $ 2,500.00 Sales Revenue Cost of Goods Sold $ 600.00 Merchandise Inventory $ 2,940.00 $ 60.00 $ 12.00 $ 1,188.00 $ 500.00 $ 400.00 $ 2,500.00 $ 600.00