Answer and Explanation:
The journal entries are shown below:
1. Allowance for doubtful Accounts Dr $3,500
To Accounts receivable $3,500
(Being the allowance for doubtful account is recorded)
2. Accounts receivable Dr $3,500
To Allowance for doubtful Accounts $3,500
(Being the written off amount is recorded)
3. Cash Dr $3,500
To Account receivable $3,500
(Being the cash collection is recorded)
Only these 3 entries are required