Answer:
d. rocking chairs will be overcosted.
Explanation:
Since in the given situation, if the company automates the production of straight-back chairs so the direct hours of straight back chairs will be decreased and the rocking chairs would remain constant and we assume that overall overhead remain the same
In addition, Overall Direct working hours would minimize the proportion of Direct rocking chair working hours in total direct working hours. As a result, the overhead allocation to the Rocking chair would also increase on the basis of Direct Labor hours than before. And it would overcoat the rocking chairs.
Hence, the correct option is d.