The arithmetic average of $24\%,41\%,$ and $46\%$ is:

a$.$

None among the proposed answers

b$.$

$37\mathrm{.}00\%$

c$.$

$15\mathrm{.}75\%$

d$.$

$21\mathrm{.}00\%$

e$.$

$29\mathrm{.}00\%$