Answer:
C
Step-by-step explanation:
It is C because if you multiply each number on the left by 250 and then add 500, you will get the number on the right.
4 x 250 = 1000 + 500 = 1500
8 x 250 = 2000 + 500 = 2500
10 x 250 = 2500 + 500 = 3000
13 x 250 = 3250 + 500 = 3750
