For compound interest with fractional time, calculate full periods first: A = 60000(1.08)^2 = 69984. For the remaining 6 months, use simple interest on this amount: SI = 69984 × 8/100 × 0.5 = 2799.36. Total amount = 69984 + 2799.36 = 72783.36. Compound Interest = 72783.36 - 60000 = 12783.36.