Parr Store had net credit sales of $7,800,000 and cost of goods sold of $6,000,000 for the year. The accounts receivable balances at the beginning and end of the year were $600,000 and $700,000, respectively. The receivables turnover ratio was: Select one: O a. 9.2 times O b. 11.2 times O c. 12 times. O d. 13 times