From a machine that cost 50,000 and has scrap value of zero, the following costs and revenues are expected to be derived over its life of 4 years: Years 1-3 Year 4 Revenue per annum 30,000 25,000 Cost per annum 10,000 20,000 The interest rate is 7%. Assuming that revenues and costs equate to cash flows, what is the Net Present Value of the project to the nearest 100? 11 marki