Carmen Co. can further process Product ) to produce Product D. Product ) is currently selling for $23.85 per pound and costs $14.05 per pound to produce Product D would sell for $45.95 per pound and would require an additional cost of $8.00 per pound to produce. The differential cost of producing Product D is Oa. $6.40 per pound Ob. $9.60 per pound Oc. $8.00 per pound Od. $4.80 per pound