What is the correct definition of a grace period on a credit card?

Question

a the amount of time a person has to wait to get approved for the card

b the number of years a person has to have worked before being able to get a card

c the number of days the customer can wait to pay for purchases without being charged interest

d the number of months the customer has to pay off a balance transferred from another card

Answer 1

c the number of days the customer can wait to pay for purchases without being charged interest