What is the best transfer price to avoid transfer price problems? $18.00$27.30$21.00$22.50

The Micro Chip Division Direct materials Direct labor Variable overhead Fixed overhead Market price per unit provides microchips for the Laptop Division of a company. The standard unit costs for the Micro Division are as follows: $ 6.00 12.00 3.00 1.50 27.30 What is the best transfer price to avoid transfer price problems? O $18.00 O $27.30 O $21.00 O $22.50