please answer asap

a. Company A increases the allowance for doubtful accounts (ADA). Using the old estimate, ADA would have been $25,000. The new estimate is $32,000. b. Company B omitted to record an invoice for a(n) $9,850 sale made on credit at the end of the previous year and incorrectly recorded the sale in the current year. The related inventory sold has been accounted for. c. Company C changes its revenue recognition to a more conservative policy. The result is a decrease in prior-year revenue by $7,700 and a decrease in current-year revenue by $2,600 relative to the amounts under the old policy. Requirement. For each of the scenarios, determine the effects (if any) of the accounting change (correction of error, change in accounting policy, or change in estimate) on the relevant asset or liability, equity, and comprehensive income in the year of change and the prior year. Begin by evaluating each of the scenarios to determine the type of accounting change and the appropriate accounting treatment. (Refer to the letter reference for each scenario.) Type of accounting change Treatment a. b. C. Next, determine the effects (if any) of the accounting change on the relevant asset or liability, equity, and comprehensive income in the year of change and the prior year. (For any accounts unaffected, select "No eff." in the Change column and leave the amount column blank. For the Asset or Liability account, select "Incr. A" to indicate an increase in an asset, "Decr. L" for decrease in liability, and so on.) Year prior to change Year of accounting change Asset or Asset or Change Liability Change Equity Change Income Change Liability Change Equity Change Income Amount Amount Amount Amount Amount Amount a. b. C