Aqua Ltd.'s makes it's allowance for doubtful debt at 7% of month end Accounts Receivable balance. Its AR balances at end of the following months are: September $25,000; October $20,000 and November $30.000. What will the balance in the Allowance for Doubtful Debts account at the end of each of the three months?* September October 3 poina $2,100 Credit $1,750 Credit $5,250 Credit $1,400 Credit $3,150 Credit O O O November O