$2\mathrm{.}1$ Use an IF function in cell

$($E$10)$ to calculate the price to

charge per donut for order $1.$

a$.$ Customer are charged $$\mathrm{.}50$

per donut unless they buy a

dozen or more. In this case,

they are charged $$\mathrm{.}40$ a

donut.

b$.$ Refer to the appropriate price

in cells C$3$ and C$4$ for your

"value$\_$if$\_$true" and

"value$\_$if$\_$false" arguments.

c$.$ Use absolute and relative

references when appropriate.