The following is the daily return schedule for operating various businesses under bad, normal, and good weather.

Return on Investment

Type of Business

Good 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 Shop

Akaldeep has a portfolio consisting of $11\%$ in an Ice Cream Shop, $26\%$ in a Coffee Shop, $11\%$ in a Bikini Shop, and the rest in a Cold Drinks Shop. Determine the overall expected return rate on his investments.

a$.$

$1\mathrm{.}43\%$

b$.$

$3\mathrm{.}48\%$

c$.$

$6\mathrm{.}96\%$

d$.$

$6\mathrm{.}41\%$

e$.$

$6\mathrm{.}41\%$