The following transactions relate to H&H Limited for 2021-2022. In particular, their financial year starts on the 1^st day of July 2021 and ends on the 31^st day of December 2022.

The opening balance of accounts receivable on the 1^st day of July 2021 is $21 200. On the same day, the allowance for doubtful debt account has a balance of $1 240. During the year, the company made a sale of $173 000. and it might be relevant to note that the entire sale is on credit. The company collected $166 960 from customers during this period. Considering the relevant factors, Mr Paul Willaim, an expert credit manager, decided that $480 should be written off as bad debts. He further decided that the allowances for doubtful debts should be increased to $1 680.

(a) Prepare the (1) Account Receivable Account and (2) Allowance for Doubtful Debts Account (T-account Form)

(b) Calculate the (1) estimated collectable valuable of account receivable and (2) the bad debt expenses for H&H Limited as of the 30^th day of June 2022