When the double-extension approach to the dollar-value lifo inventory method is used, the inventory layer added in the current year is multiplied by an index number.
which of the following correctly states how components are used in the calculation of this index number?

a. in the numerator, the average of the ending inventory at base year cost and at current year cost.
b. in the numerator, the ending inventory at current year cost, and, in the denominator, the ending inventory at base year cost.
c. in the numerator, the ending inventory at base year cost, and, the denominator, the ending inventory at current year cost.
d. in the denominator, the average of the ending inventory at base year cost and at current year cost.

Xyz corporation has provided the following data concerning manufacturing overhead for july: actual manufacturing overhead incurred $ 69,000 manufacturing overhead applied to work in process $ 79,000 the company's cost of goods sold was $243,000 prior to closing out its manufacturing overhead account. the company closes out its manufacturing overhead account to cost of goods sold. which of the following statements is true? multiple choice manufacturing overhead was overapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $253,000 manufacturing overhead was underapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $233,000 manufacturing overhead was underapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $253,000 manufacturing overhead was overapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $233,000