Multiple-choice question, please solve quickly

Question 7 Not yet answered Marked out of 1 P Flag question The GM cars Company manufacturers a standard cars. Work in process, beginning inventory,(80% completed as of conversion cost) 30 units, cost of the begining work in process $1,045,000 material and $1,770,000 conversion cost. started during February 70 units, Work in process ending inventory (40% completed as of conversion cost) 40 units. All direct materials costs are added at the beginning of the production cycle. During the month, company added $3,250,000 as material cost and $5,320,000 as conversion costs. Using weighted average method, How much is the total cost assigned to the completed units? a. $8,174,368 b. $ 3,494,066 C. $3,210,632 d. $7,890,934