10.9 Please help and show work. Thanks

Question 6 1 pts Grill Master Johnnys is thinking about purchasing a new, energy-efficient grill. The grill will cost $53,000.00 and will be depreciated according to the 3-year MACRS schedule. It will be sold for scrap metal after 3 years for $11,750.00. The grill will have no effect on revenues but will save Johnny's $23,500.00 per year in energy expenses. The tax rate is 40%. The 3-year MACRS schedule; Year Depr % 1 33.33 2 44.45 3 14.81 4 7.41 What is the total cash flow in year 3? Question 7 1 pts What is the equivalent annual cost for a project that requires a $50,000 investment at time-period zero, and a $10,000 annual expense during each of the next 4 years, if the opportunity cost of capital is 10%