S

E

I

$\frac{5}{c}$

$\frac{0}{E}$

$\frac{?}{\text{b}\text{a}\text{r}}(5)$

$\frac{}{2}$

$(0)$

Samantha wants to practice price discrimination in her cupcake bakery. Which strategy should Samantha NOT use?

volume discounts for customers who buy large numbers of cupcakes

discounted prices for customers who buy day$-$old cupcakes

an annual fee for customers who want to earn a $2\%$ discount each time they shop in the bakery

the same price for all consumers for all cupcakes available