Investment P offers interest of 5% per year compounded half yearly for a period of 4 years. Investment Q offers one interest payment of 18% at the end of its 4 year life. What is the annual effective rate offered by each of the two invsts?
The solution to invst P is understood by me (5/2=2.5%=.025#(1+.025)^2-1=5.06% but the Invst Q don’t get it. Could you help me understand this ?