Theta Inc. uses normal costing and applies overhead based on direct material costs. The predetermined overhead rate for the current year is 250% of direct material costs. During the year, $3,300,000 of direct material costs and $4,100,000 of direct labor costs were incurred. Theta's applied overhead is: a. $9,250,000. b. $1,640,000. C. $1,320,000. d. $8,250,000