Suppose there are four industries. labor costs are 70 percent of total costs in industry a, 80 percent in b, 45 percent in c, and 10 percent in d. in which of these industries will a 10 percent increase in the price of labor reduce quantity demanded of labor by the largest proportion?

In january, knox company requisitions raw materials for production as follows: job 1 $915, job 2 $1,590, job 3 $771, and general factory use $704. during january, time tickets show that the factory labor of $6,300 was used as follows: job 1 $2,344, job 2 $1,711, job 3 $1,554, and general factory use $691. prepare the job cost sheets for each of the three jobs.