Suppose the current exchange rate for the Polish zloty is Z $2\mathrm{.}21.$ The expected exchange rate in three years is Z $2\mathrm{.}58.$ What is the difference in the annual inflation rates for the United States and Poland over this period? Assume that the anticipated rate is constant for both countries.

Multiple Choice

$8\mathrm{.}74\%$

$9\mathrm{.}8\%$

$5\mathrm{.}28\%$

$7\mathrm{.}68\%$

$5\mathrm{.}3\%$