When using the cost of production report to analyze the change in direct materials cost per equivalent unit compared to conversion cost per equivalent unit, an investigation may reveal that direct materials costs a. may increase while conversion costs decrease because the two are separately calculated and depend on separate costs. b. will never decrease when conversion costs decrease. c. always increase between periods if conversion costs increase. d. always decrease between periods if conversion costs increase.

a.may increase while conversion costs decrease because the two are separately calculated and depend on separate costs.

Explanation:

When the cost of production report is being used to analyze change in direct materials cost per equivalent unit when compared to the conversion cost per equivalent unit, we should note that an investigation may end up showing that the fluctuation in the the direct materials costs which then brings about an increase or a decrease.

Therefore, the correct option is A "may increase while conversion costs decrease because the two are separately calculated and depend on separate costs".

answer; i believe the correct answer is (a) purchase of treasury stock;