Nelson Company's Radio Division currently is purchasing transistors from Charlotte Co. for $3.50 each. The total number of transistors needed is 8,000 per month. Nelson Company's Electronics Division can produce the transistors for a cost of $4.00 each, and it has plenty of capacity to manufacture the units. The $4.00 is made up of $3.25 in variable costs, and $0.75 in allocated fixed costs. The range of a possible transfer price should be Oa. $3.25 to $3.50 Ob. $3.26 to $3.99 Oc. $3.51 to $3.99 Od. $3.26 to $3.49