The bank statement for the month of December for Maddison Ltd. is presented below: Balance Amounts Deducted (Debits) Amounts Added (Credits) Balance Last statement No. Total $ No. Total amount This statement $7111.98 10 entries $3,942.14 5 entries $10,393.03 $13,508.87 Cheques and other debits Deposits Balance No. Amount 14 $184.81 $6,284.38 18 $891.23 $985.50 19 $126.00 $846.52 21 $342.15 $722.63 NSF $325.00 $1500.00 EFT 17 $423.22 24 $876.92 25 $218.05 22 $534.76 SC $20.00 Balance December 31, $13,508.87 Symbols NSF (Non sufficient funds), SC (Service charge), EFT (electronic fund transfer) Cheque #18 was correctly written for $891.23 for a payment on account. The NSF cheque was from Mrs. W. Rask, a customer, in settlement of an account receivable. An entry had not been made for this. The EFT is for an electronic collection of accounts receivable in the amount of $1,500, which has not yet been recorded by the company. The bank service charge is $20. (a) Calculate the unadjusted cash balance per books at December 31, 2022. (b) Prepare a bank reconciliation at December 31, 2022.