please show work/give explaination

6. Compute purchases of new merchandise during the period using the following data: Cost of beginning inventory $40 Cost of goods sold (COGS) $140 Cost of ending inventory $30 A. $10 8 $130- C. $150 D. $210 not enough information-need data on fixed and variable COGS X Manufacturing costs for product X include direct materials $18 per unit, direct labor $1 per unit, variable overhead $2 per unit, and fixed overhead $3 per unit, for a total of $24 per unit. If production volume is increased by 10 units, how much will total manufacturing costs change in the short term? Assume that the new production volume is in the relevant range. A. not enough information need to know the original volume B. increase by $190 24.10 4 10 is r1+2:21/unit TI+2. C. increase by $200 D. increase by $220 rc=Fc+21 xVolume E increase by $240 The rule to follow in making business decisions is: A. Choose the alternative with the highest total revenue B. Choose the alternative with the lowest total costs C. Choose the alternative with the most relevant revenue and the least relevant costs D. Choose the alternative with the highest total profit Both C and D