Answer:
500
Step-by-step explanation:
Divide each cost by the number of computers
500 ÷ 1 = 500
1,000 ÷ 2 = 500
1,500 ÷ 3 = 500
2,000 ÷ 4 = 500
mark brainliest if helped
each computer is 500 dollars
all u have to do is find the second difference
the answer for this one is b