Yasmin Co. can further process Product B to produce Product C. Product B is currently selling for $35 per pound and costs $28 per pound to produce. Product C would sell for $56 per pound and would require an additional cost of $23 per pound to produce. The differential cost of producing Product C is Oa. $56 per pound Ob. $35 per pound Oc. $28 per pound Od. $23 per pound