The budget includes $45000 for the purchase of a new testing machine requested by the maintenance department. All the major investments in the budget are being checked to see if the required rate of return of 15% after taxes can be achieved. The testing machine is 20% CCA declining balance class. Over 6 years, it is estimated to save $23000 per year in maintenance costs with annual operating costs being $7300. It will be depreciated by the declining-balance method and will have no salvage value. The firm has an effective combined income tax rate of 40%. (a) Construct the net cash flow with this proposal. (b) Does the proposal to buy the testing machine satisfy the firms new acceptable rate of return?