Carmen Co. can further process Product to produce Product D. Product ) is currently selling for $20.00 per pound and costs $15.75 per pound to produce. Product D would sell for $38.00 per pound and would require an additional cost of $8.55 per pound to produce. The differential cost of producing Product D is O a. $8.55 per pound x Ob. $17.00 per pound Oc. $5.25 per pound O d. $6.50 per pound