CFAI Book 4-Reading 36/page409

in Example 1, the future value of the store cost is calculated as the future value of annuity method, shouldn’t it be $0.05*(1.01)^3 instead of ($0.05/0.01)*[(1+0.01)^3-1] ??? do we add a bushel/mo to the storage?? what am i missing here? help!