. M. Jack, CPA, is the auditor of Jill Corporation. Jack plans to follow last year's work papers in selecting accounts payable to be confirmed. Confirmations were mailed to 50 of Jill's 200 suppliers. The sample was designed to select accounts with the largest balances. Jack and Jill spent a lot of time reconciling minor differences between the confirmation amounts and the accounts payable trial balance. Required: Do you believe Jack should use the same sample design for accounts payable confirmations this year? If not, what suggestions can you give to improve the design?