To solve this problem we must calculate the required treasury bond investment to achieve a combined net gain of $600 after 2 years under two different market projections for the certificate
Treasury bond gain :
Bond Earns 3% simple interest per year.
Over 2 years , the total int earned is 3% + 3 % = 6% (0.06) of the principal invested.
Certificate projection
Optimistic : The value increases by 5% of original $2400 price each year.
Annual Gain : 0.05x 2400=120
Total 2 year gain = 120 x 2= 240
pessimistic : Value decreases by 10% of the original 2400 each year
Annual loss : 0.10x2400 = 240
Total 2 year loss = 480
Optimistic scenario :
Net gain of $600
Target bond gain = Total Goal - Certificate gain , 600 - 240 = 300
Investment (P) : Px 0.06 = 360 , P = 6000.✅
Pessimistic scenario :
Investor still aims for a $600 net gain but must now offset a significant certificate loss.
Target Bond Gain = Total Goal + Certificate loss
Target Bond Gain = 600 + 480 = 1080
Required Investment : P x 0.06 = 1080 = 18000✅