Use the following to answer questions $2022$

At the beginning of the year; the company$$s allowance for uncollectible accounts had a beginning balance of $$6,500.$

On January $22$nd$,$ the company wrote off the A$/$R from customer C for $$500$

$20.$ Record the entry for write$-$off

$21.$ $$\_\_\_\_\_\_\_\_\_\_\_$By the end of the year $($December $31$st$)$; total accounts written off were $$6,100($including the

write off for customer C$).$ What is the balance in the allowance for uncollectible accounts after all the write$-$

offs?

$22.$ $$\_\_\_\_\_\_\_\_\_\_\_$How much did bad debt expense change when the company wrote off the accounts receivables?