Need help with everything in red, please have explanation!

Sunland Company sells one product. Presented below is information for January for Sunland Company Jan. 1 Inventory 4 Sale 11 13 Sale 20 27 Sale 124 units at $4 each 100 units at $8 each 162 units at $7 each 134 units at $9 each 151 units at $7 each Purchase Purchase 96 units at $11 each Sunland uses the FIFO cost flow assumption. All purchases and sales are on account Your answer is partialy correct. Try agais. Assume Sunland uses a perpetual system. Prepare all necessary journal entries (If no entry is required, select No entry" for the account tities and enter O for the ameunts Credit account ttles are automatically ndeated when amount is entered. Do not indent mancally Date Account Titles and Explanation en. 4 To record the sale) of Goods Seld (To record the cost of inventory) Jan. 11 | Inventory 1134 Accounts Payable 1134 Jan. 13Accounts Receivable 1206 Sales Revenue (To record the sale) Cost of Goods Sold 1206 756 Inventory 756 (To record the cost of inventory) Jan. 20Inventory 1057 Accounts Payable 1057 Jan. 27 Accounts Receivable 1056 Sales Revenue To record the sale) Cost of Goods Sold 1056 1056 Inventory 1056 (To record the cost of inventory) Your answer is correct. Compute gross profit using the perpetual system. Gross profit 1124