Helix Corp. manufactures two products, Alpha and Beta. a. Alpha requires $72 in direct materials per unit and Beta requires $50. b. The direct labor rate is $10 per hour. c. The company has always used direct labor hours as the base for allocating overhead. Overhead totals $1,800,000. d. Alpha's selling price per unit is $210 and Beta's selling price per unit is $125. Required: 1. Compute the overhead rate based on the company's traditional method using direct labor hours to allocate overhead