please anwser! The annual inventory cost C for a manufacturer is given below, where Q is the order size when the inventory is re
plenished. Find the change in annual cost when Q is increased from 356 to 357, and compare this with the instantaneous rate of change when Q = 356. (Round your answers to two decimal places.)
If it gained 4 million people every 6 years, then the gain PER year would be 1.5 million. from 1992 to 2012 is 10 years. So, 1.5 times 10 is 15. 72 + 15 =87.