3) The design company CasaOffshore in Casablanca Offshoring Park is evaluating the purchase of automatic tools to automate the design process. The company just purchased an upgraded DgCAD software for $5000 now and annual payments of $500 per year for 5 years starting year 1 for annual upgrades with $50 increase each year. Using a rate of 10% per year and a predicted life of 5 years, find the equivalent TOTAL present worth of the maintenance cost only (annual upgrade+ increase). 1600 2000 3200 4150