Janelle is heading to the beauty supply store to stock up on supplies for her nail enhancement business. She has already purchased all of the basic
manicure supplies, but she still needs monomer liquid and polymer powder. The store clerk advises Janelle to purchase these supplies from the
same manufacturer. Why?
A. because they are designed to work together
B.because it is cheaper to buy them as a packaged set
C.because it is more professional to do this
D.because the clerk gets more commission