This is for a study guide my Professor gave, I have the answers but I'm not 100% sure if they are right can someone help?

Capital Budgeting Extra Credit In this file are 3 extra credit problems, worth a total of 50 points. If you want a chance at extra credit points, complete and submit by 2pm on W mit by 2pm on Wednesday, December 6th. Exercise 1: 10 pts. You are considering a project with the cash flows given below. Discount rate 25% Year Cashflow 0 -1,000 1 100 2 200 3 300 4 400 5 500 6 600 a. Calculate the Present Value of the future cashflows of the project (cashflows after Year 0). Exercise 3: 20 pts You are considering purchasing a machine to produce golf balls. The cost of the machine is $100,000 and its e span is 8 years. The machine will have an annual production of 550,000 balls. The price of a golf ball today is $ expected to rise by 10% each year. The material used to produce the golf ball costs $0.08 and it's expected to r year. To operate the machine you'll need two workers, each earning an annual salary of $30,000. According to their salaries will rise by 7% a year starting in the third year. The discount rate is 4%. The tax rate is 40%. Calculate the NPV of the project (use the template below or your own template) Recap of assumptions: Discount rate Corporate tax rate Expected life span Annual production Price of Golf ball (t=0) Expected rise in golf ball price Cost of material per ball Expected rise in material cost Worker's salary Expected salary rise starting year 3) Cost of machine (Investment) 4% 40% 8 550,000 $0.20 10% $0.08 2% 60,000 7% 100,000 Year 0 1 2 3 4 5 6 7 8 Investment NPV Total income Material Worker's cost salary