Which method is approved by income tax authorities for charging depreciation​

At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be:

Exercise 7-7 martinez company reports the following financial information before adjustments. dr. cr. accounts receivable $168,900 allowance for doubtful accounts $3,200 sales revenue (all on credit) 849,300 sales returns and allowances 50,440 prepare the journal entry to record bad debt expense assuming martinez company estimates bad debts at (a) 4% of accounts receivable and (b) 4% of accounts receivable but allowance for doubtful accounts had a $1,550 debit balance. (if no entry is required, select "no entry" for the account titles and enter 0 for the amounts. credit account titles are automatically indented when the amount is entered. do not indent manually.)

On june 3, teal company sold to chester company merchandise having a sale price of $2,600 with terms of 2/10, n/60, f.o.b. shipping point. an invoice totaling $91, terms n/30, was received by chester on june 8 from john booth transport service for the freight cost. on june 12, the company received a check for the balance due from chester company. prepare journal entries on the teal company books to record all the events noted above under each of the following bases. (1) sales and receivables are entered at gross selling price. (2) sales and receivables are entered at net of cash discounts.