Explain why a relative price is an opportunity cost. The money price of a pack of frozen burritos is $0.50 and the money price of a jar of pasta sauce is $2.50. The opportunity cost of a jar of pasta sauce is O A. $0.50, the money price of a pack of frozen burritos O B. $2.50, the price of a jar of pasta sauce O C. 5.00 packs of frozen burritos, which is the relative price of a jar of pasta sauce O D. 0.20 jars of pasta sauce The relative price of a jar of pasta sauce is an opportunity cost because O A. the relative price tells us how many jars of pasta sauce we must give up to get a pack of frozen burritos O B. it is constant O C. the relative price tells us how many packs of frozen burritos we must give up to get a jar of pasta sauce O D. it is expressed as a money price