Compound Interest = $$7200(1+5\%)^{2}$$ (As C.I. = $$P(1+r\%)^{n}$$ Where P is the principal amount, r is the rate and n is the
number of years)
Hence, answer will be = 7200(1.05)(1.05) = 7938
So interest will be = 7938-7200 = 738
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