Allowance for Doubtful Accounts has a credit balance of $800 at the end of the year (before adjustment), and bad debt expense is estimated at 1% of credit sales. If credit sales are $729,700, the amount of the adjusting entry for the estimated uncollectible accounts receivable

a.is $6,497

b.is $7,297

c.is $8,097

d.cannot be determined with the information given