A new operation requires an initial investment of $45,000 in plant and equipment. It also requires an initial $3,000 increase of inventory, a $1,000 increase of account receivable, and a $2,000 increase of account payable. During the 10-year life of operation (from year 1 to year 10), the annual revenues will be $10,000, cash expenses $2,000, depreciation $4,500. The tax rate is 21%. a) What is the initial cash flows from the changes in working capital? b) What is the annual operating cash flow? c) if the discount rate is 10%, what is the NPV of the project? Should we accept the project