Jeff has created a table to calculate the cost of raw materials that he purchases monthly. Cell A2 shows the fixed cost of the raw material (3). Column D lists the quantity (number of units) that Jeff purchased each month. What formula can Jeff use in E2 to calculate the monthly cost of the raw material that he can copy to all the rows below? B E д 1 Monthly rate 2 3 3 D Number of units Cost 10 8 12 13 10 15 Month Jan Feb Mar Apr May Jun 4 5 6 7 OA. =A2*D2 B. =$A2*D2 OC. =$A$2* $D$2 OD. =$A$2*D$2 OE. =A$2*D2