At a competition with 4 runners, 4 medals are rewarded for first place through fourth place. Each model is different. How many ways are there to award the medal?

Decide if the situation involves a permutation or a combination, and then find the number of ways to award the medals.

A. Permutation; number of ways =24
B. Combination; number of ways = 24
C. Permutation; number of ways = 1
D. Combination; number of ways =1