To calculate the net receivables to be reported on the balance sheet at year-end,

a.add the balance of Allowance for Doubtful Accounts to Accounts Receivable.

b.subtract the balance of Allowance for Doubtful Accounts from Accounts Receivable.

c.add the balance of Bad Debt Expense to Accounts Receivable.

d.subtract the balance of Bad Debt Expense from Accounts Receivable.