A mortgage company randomly samples accounts of their time-share customers. State whether each of the following variables is categorical or numerical. If categorical, give the level of measurement. If numerical, is it discrete or continuous?

a. The original purchase price of a customer's time-share unit

b. The state (or country) of residence of a time-share owner

c. A time-share owner's satisfaction level with the maintenance of the unit purchased (1: very dissatisfied to 5: very satisfied)

d. The number of times a customer's payment was late