20.

when starting your credit history, a low-credit-limit, high-interest-rate credit card should be paid

as much as you can when due

in even payments each time

at least the minimum due

in full, on time, every time

in full, on time, every time

Step-by-step explanation:

in full, on time, every time because even if little is left out it would again a large amount together with the interest. Also as the limit is low it can easily be reimbursed