6.An example of a fixed cost is when _____.A.an office supply store charges $3.99 for a ream of paper as its everyday low priceB.a company pays all the secretaries the same base salary and gives them the same cost-of-living increaseC.acompany pays the same amount of rent every month for the use of a manufacturing plantD.a company does not raise the price of its service contract on photocopy machines for 10 years