Calculate accounts receivable, allowance for uncollectible accounts, and net receivables at the end of the month for each situation a. through c.

a) The Allowance for Uncollectible Accounts has a $1,200 credit balance at the beginning of the month. Net credit sales during the month are $830,000 and 4% are estimated to be uncollectible. Accounts Receivable has a balance of $110,000 at the beginning of the month. During the month, $500 of uncollectible accounts are written off

b) The Allowance for Uncollectible Accounts has a $900 debit at the beginning of the month. Net credit sales during the month are $875,000. Based on an aging schedule of accounts receivable prepared at the end of the month, $17,900 of accounts receivable are estimated to be uncollectible. Accounts Receivable has a balance of $104,000 at the beginning of the month. During the month, $1,000 of uncollectible accounts are written off.

c) The Allowance for Uncollectible Accounts has a $16,300 credit balance at the beginning of the month. Net credit sales during the month are $850,000. Based on an aging schedule of accounts receivable prepared at the end of the month, $20,000 of accounts receivable are estimated to be uncollectible. Accounts Receivable has a balance of $958,000 at the beginning of the month. During the month, $1,000 of uncollectible accounts are written off.

Please show the steps and calculations.