Bison sporting goods sells bicycles throughout the northeastern united states. the following data were taken from the most recent quarterly sales forecast:

expected sales end-of-month target inventory
    july 1,930 units           340 units          
    august 2,080 units           430 units          
    september 2,010 units           400 units  

on the basis of the information presented, how many bicycles should the company purchase in august?

a. 1,980.
b. 2,080.
c. 2,170.
d. 2,510.
e. some other amount.