The Student Union at John J College is considering selling buttered bagels. It already sells plain bagels for $5.00/unit and would sell a buttered bagel for $6.50/unit. The cost to butter the bagel would be $.35/unit. A cost(s) that would be considered in this decision would be:

A. the extra revenue generated by a buttered bagel.

B. the cost of making the plain bagel

C. the cost of further processing the plain bagel into a buttered bagel.

D. B and C

E. A and C