An ________ primarily serves businesses that primarily buy direct goods on a spot purchasing basis

ABC Corporation knew that XYZ Industries could provide the casings needed for their new line of typewriters as they had for the previous generations of typewriters

Therefore, they designated XYZ as the supplier for that key element, a practice known as ________. Fill in the blank(s) with the appropriate word(s).

Parking at a university has become a problem. University administrators are interested in determining the average time it takes a student to find a parking spot. An administrator inconspicuously followed 220 students and recorded how long it took each of them to find a parking spot. Identify the variable of interest to the university administration

A) number of empty parking spots B) students who drive cars on campus C) number of students who cannot find a spot D) time to find a parking spot