Suppose a stock earns $-5\mathrm{.}3\%,-9\mathrm{.}1\%,-4\mathrm{.}4\%$ and $18\mathrm{.}6\%$ annually over four years. What is its compound average annual returnit $0$ a$.-0\mathrm{.}1\%$ O b$.-0\mathrm{.}6\%0$ c$.-1\mathrm{.}5\%$O d$.10\mathrm{.}5\%0$ e$.6\mathrm{.}6\%$