Identify whether the following levels of factors are qualitative or quantitative.

a. Method of payment (cash, check, and credit card)

b. Hotel service rating (1 for Fair, 2 for Average, 3 for Good, and 4 for Excellent)

c. Percentage return on investment (1%, 5.5%, and 8.3%)

d. Time taken to complete a car race (22 minutes, 25 minutes, and 29 minutes)

e. Number printed on the back of a football jersey (1, 2, 3, etc.