Carmen Co. can further process Product 3 to produce Product D. Product J is currently selling for $23.80 per pound and costs $16.15 per pound to produce. Product D would sell for $36.80 per pound and would require an additional cost of $10.60 per pound to produce. The differential cost of producing Product D is Oa. $8.48 per pound Ob. $6.36 per pound Oc. $10.60 per pound Od. $12.72 per pound