please explain 10% discount values

Problem 1-10 points After 4 years of use, Company A has decided to replace a capital equipment. Cash flow data is listed in $1000 unit, MACRS 3-year depreciation was used. After tax MARR is 10% per year compounded monthly, Tax rate is 35%. 1 2 0 1900 3 4 Year Purchase Gross Income Expenses Salvage 800 100 900 150 600 200 300 250 700 1. Utilize the CFBT value to determine if the cash flow over 4 years exceeded MARR. 2. Calculate MACRS depreciation and estimate the CFAT series over the 4 years. Determine if the cash flow over 4 years exceed MARR