Can you help me understand what I did wrong here?

11 points The following income statement was prepared for Frame Supplies for Year 'I. FRAME SUPPLIES Income Statement For the Year Ended December 31, Year 1 Sales $ 61.058 Cost of goods sold (33,068} Gross margin 36,998 Operating expenses {8,948} Net income 55 22,058 During the year-e nd audit. the following errors were discovered: 1. A $1,373 payment for repairs was erroneously charged to the Cost of Goods Sold account. {Assume that the perpetual inventory system is used.) 2. Sales to customers for $2.8?'l at December 31. Year 1. were not recorded in the books for Year 'I. Also. the $1.21?l cost of goods sold was not recorded. 3. A mathematical error was made in determining ending inventory. Ending inventory was understated by $1.798. [The Inventory account was mistakenly written down to the Cost of Goods Sold account.) Required Determine the effect. if any. of each ofthe errors on the following items. Give the dollar amount ofthe effect and whether it would overstate (0). understate (U), or not affect (leave blank) the account. The first item for each error is recorded as an example. 9 Answer Is not complete. Complete thls question by entering your answers In the tabs below. Error 1 Error 3 Give the dollar amount of the effect and state whether not recording sales to customers for $2.31\" at December 31, Year 1 nor the cost of goods sold of $1.21? in the books would overstate (0). understate (U), or not affect (leave blank) the account. The rst item of the error Is recorded as an example. (Input the amount as a positive value.) Sales. Year 1 $ 2.8?1 U Ending inventory. December 31, Year '1 1.21? a U 6 Gross margin. Year 1 Beginning inventory, January '1. Year 2 Cost of goods sold. Year 1 1.217 0 u 0 Net income. Year 1 Retained earnings. December 31. Year 1 Total assets. December 31. Year'l