Which one of the following is correct about variable costing systems? Select one:

a-, Calculate product cost as the sum of directs materials, direct labor and manufacturing ovetheart
b. Normally result into a lower product cost compared to absorption costing systems
. c. Calculate product cost as the sum of directs materials, direct labor, manufacturing over
and selling cost
d - Focuses on both variable and fixed costs.​

20. sinclair company's single product has a selling price of $25 per unit. last year the company reported a profit of $20,000 and variable expenses totaling $180,000. the product has a 40% contribution margin ratio. because of competition, sinclair company will be forced in the current year to reduce its selling price by $2 per unit. how many units must be sold in the current year to earn the same profit as was earned last year? a. 15,000 units b. 12,000 units c. 16,500 units d. 12,960 units

On average, someone with a bachelor's degree is estimated to earn times more than someone with a high school diploma. a)1.2 b)1.4 c)1.6 d)1.8

The assumptions of the production order quantity model are met in a situation where annual demand is 3650 units, setup cost is $50, holding cost is $12 per unit per year, the daily demand rate is 10 and the daily production rate is 100. the production order quantity for this problem is approximately: