154. How much money must be invested in an account that pays 6% per year in- terest to be worth $20,000 at the end of 8 years if (forgetting leap years and making "convenient" assumptions): a. Interest is compounded annually? onomani a b. Interest is compounded semi-annually? c. Interest is compounded quarterly? Wo b d. Interest is compounded monthly? no wo o e. Interest is compounded weekly? f. Interest is compounded daily? g. Interest is compounded hourly? h. Interest is compounded minutely? i. Interest is compounded secondly? M O D