Shella's Society Clothing Manufacturer has collection centres around the country to speed up cash collections. The company also makes its disbursements from remote disbursement centres, so cheques written by Shella's take longer to clear the bank Collection time has been reduced by two and one-half days and disbursement time has been increased by one and one-half doys because of these policies. Excess funds are being invested in short-term instruments yielding 6 percent per annum. a. If the firm has $4 million per day in coliections and $3 million per day in disbursements, how many dollors has the cash management system freed up? (Enter the answer in dollars not in millions.) Freed-up funds b. How much can Shella's earn per year on short-term investments made possible by the freed-up cash? (Enter the answer in dollars not in millions.) Interest on freed-up cash