Grace Co. can further process Product B to produce Product C. Product B is currently selling for $23 per pound and costs $16 per pound to produce. Product C would sell for $39 per pound and would require an additional cost of $8 per pound to produce. What is the differential revenue of producing and selling Product C? O a. $16 per pound b. $31 per pound c. $23 per pound Od. $39 per pound