Jones Co. can further process Product B to produce Product C. Product B  is currently selling for $60 per pound and costs $42 per pound to  produce. Product C would sell for $82 per pound and would require an  additional cost of $13 per pound to produce. What is the differential  revenue of producing and selling Product C? Answer    $22 per pound     $42 per pound     $45 per pound     $18 per pound