Which of the following is a cost of production? Select all that apply.

A:improving processes
B:buying raw materials
C:spending time working
D:paying property taxes
E:choosing the best products

B: buying raw materials

C: spending time working
D: paying property taxes

There can only be 2

My apologies for the confusion. The two costs of production from the given options are:

B: buying raw materials
D: paying property taxes