Hunter Winery is a producer of premium wine. Which of the following is NOT an example of an upstream cost?

A. The costs associated with marketing a new range of wine in an international trade fair

B. The costs associated with researching a new variety of grapes

C. The costs associated with testing a new wine barrel

D. The costs associated with negotiating with and managing the farmers who supply the grapes

Select one:

A

B

C

D