Need help with this problem please:

Consider the cash flow transactions depicted in the accompanying cash flow diagram with the changing interest rates specified. $300 $300 $100 $100 2 4 y4% p Interest 8% Ye Interest 496 I Interest compounded compoundedcompounded monthly 1monthly monthly (a) What is the equivalent present worth? (In other words, how much do you have to deposit now so that you can withdraw $100 at the end of year 1, $100 at the end of year 2, $300 at the end of year 3, and $300 at the end of year 4?) The equivalent present worth is s(Round to the nearest dollar.)