Sales Allowance for doubtful accounts, Jan. 1 Sheridan Pina $24,400 $11.500 810 110 Allowance for doubtful accounts, Dec. 31 87.0 114 Accounts receivable balance (gross). Jan. 1 2,800.0 1,600 Accounts receivable balance (gross), Dec. 31 3.500.0 1,400 Calculate the accounts receivable turnover and average collection period for both companies Round answers to 1 decimal place eg 15.2. Use 365 days for calculation) Sheridan Accounts receivable turnover Average collection period Pins times days