In 2021, internal auditors discovered that PKE Displays, Inc. had debited an expense account for the $372,000 cost of equipment purchased on January 1, 2018. The equipment’s life was expected to be five years with no residual value. Straight-line depreciation is used by PKE. Required: 1. Determine the cumulative effect of the error on net income over the three-year period from 2018 through 2020, and on retained earnings by the end of 2020. 2. Prepare the correcting entry assuming the error was discovered in 2021 before the adjusting and closing entries. (Ignore income taxes.) 3. Assume instead that the equipment was disposed of in 2022 and the original error was discovered in 2023 after the 2022 financial statements were issued. Prepare the correcting entry in 2023.

Expert computers was started in 2018. the company experienced the following accounting events during its first year of operation: started business when it acquired $40,000 cash from the issue of common stock. purchased merchandise with a list price of $32,000 on account, terms 2/10, n/30. paid off one-half of the accounts payable balance within the discount period. sold merchandise on account for $28,000. credit terms were 1/20, n/30. the merchandise had cost expert computers $16,000. collected cash from the account receivable within the discount period. paid $2,100 cash for operating expenses. paid the balance due on accounts payable. the payment was not made within the discount period. required record the events in a horizontal statements model below. in the cash flows column, use the letters oa to designate operating activity, ia for investing activity, fa for financing activity, or nc for net change in cash. if the account is not affected by the event, leave the cell blank. the first event is recorded as an example. what is the amount of gross margin for the period? what is the net income for the period?