Which statement will send the value generated by a function procedure, called CalculateTax, back to the calling code?

a$.$

Both a and b

b$.$

CalculateTax $=$ Sales$*0\mathrm{.}08$

c$.$

Return Sales$*0\mathrm{.}08$

d$.$

Return CalculateTax $($Sales$*0\mathrm{.}08)$