very urgent pls i need it in 15-20 mins pls

1. Find the equivalent Annual worth of the following cash flow starting from year 2 to 8 where rate of return is 1% per month compounded semiannualy. (Note: You need to use at least 1 Gradient, 1 Annuity and 1 Single amount to get full marks). 50 Pts. 20.000 20.000 20,000 20,000 20,000 8 Semiannual 9.000 6,000 12.000 8,000 15.000 15.000 10,000 12.000 1. Find the equivalent Annual worth of the following cash flow starting from year 2 to 8 where rate of return is 1% per month compounded semiannualy. (Note: You need to use at least 1 Gradient, 1 Annuity and 1 Single amount to get full marks). 50 Pts. 20.000 20.000 20,000 20,000 20,000 8 Semiannual 9.000 6,000 12.000 8,000 15.000 15.000 10,000 12.000