A bread company has a total of 12 packages of buns to sell. Each package of buns contains six buns and sells for 2.50. The cost of the buns, in dollars, is a function of the number of packages bought.

A bread company has a total of 12 packages of buns to sell. Each package of buns contains six buns and sells for 2.50. The cost of the buns, in dollars, is a function of the number of packages bought. Which of the following values are in the domain of the function describe? Select two that apply.

A. -2

B. 0

C. 0.5

D. 6

E. 14