The following is the daily return schedule for operating various businesses under bad, normal, and good weather.Return on InvestmentType of BusinessGood Weather$($Probability $=0\mathrm{.}25)$Normal Weather$($Probability $=0\mathrm{.}5)$Bad Weather$($Probability $=0\mathrm{.}25)16\%12\%-12\%$Ice Cream Shop$-8\%10\%20\%$Coffee Shop$12\%6\%-8\%$Bikini Shop $12\%8\%-4\%$Cold Drinks ShopAkaldeep has a portfolio consisting of $13\%$ in an Ice Cream Shop, $10\%$ in a Coffee Shop, $15\%$ in a Bikini Shop, and the rest in a Cold Drinks Shop. Determine the expected overall return rate on his investments.a$\mathrm{.}2\mathrm{.}54\%$b$\mathrm{.}0\mathrm{.}15\%$c$\mathrm{.}6\mathrm{.}09\%$d$\mathrm{.}6\mathrm{.}03\%$e$\mathrm{.}6\mathrm{.}76\%$