Dora, Inc. produced 70,000 units and incurred $210,000 of variable costs and $196,000 of fixed costs. Dora has received a special order from a foreign customer for 3,000 units. Dora has sufficient capacity to fill the order without jeopardizing regular sales. Dora will incur $3,150 in additional shipping charges to fulfill this order. If Dora wants to break even on this order, what should the unit sales price be?

A : $4.05

B : $6.85

C : $5.80

D : $3.00