please help me

The Wall, Co. is considering the purchase of some new machinery. The new machinery costs $100,000. The machinery falls into the MACRS three-year class, and it will be sold after three years for $8,000. The depreciation percentages each year are: Year 1=33%, Year 2=45%, Year 3=15%, Year 4=7%. The machinery will require The Wall to increase its working capital by $4,300 which will be recovered at the end of the machinery's life. The machinery has a three year life and will increa.je The Wall's revenues by $150,000 and costs by $25,000 for each year of the project's three year life. The Wall has a 10% cost of capital and has a 20% tax rate. What is the total cash flow in year 3 of the project? $110,800 $103,000 $115,100 $107,100