Adjusting Allowance for Doubtful Accounts and Bad Debts Expense

Merck & Company reported the following from its $2019$ financial statements.

a$.$ Compute accounts receivable gross for each year.

b$.$ Determine the percentage of allowance to gross account receivables for each year.

Round answers to two decimal places $($ex: $0\mathrm{.}02345=2\mathrm{.}35\%).$

Adjustments $5\mathrm{.}2$ and assume a tax rate of $22\%$ in all three years.

Four$-$year average of percentage of allowance to gross accounts receivables.

Round answer to two decimal places $($ex: $0\mathrm{.}02345=2\mathrm{.}35\%)$

Reformulate the balance sheet and income statements.

Use rounded answer above for computations, then round answers to nearest whole number.

Use negative signs with answers to indicate the adjustment decreases an account.