Brown’s Market currently has an operating cycle of 76.8 days. It is planning some operational changes that are expected to decrease the accounts receivable period by 2.8 days and decrease the inventory period by 3.1 days. The accounts payable turnover rate is expected to increase from 9 to 11.5 times per year. If all of these changes are adopted, what will be the firm's new operating cycle?
1. 68.4 days
2. 57.9 days
3. 70.9 days
4. 63.3 days
5. 73.4 days