Suppose the prices of 4 properties sold in period 0 are $475,000.00, $490,000.00, $510,000.00 and $525,000.00, and the prices of the same properties sold in period 1 are $480,000.00, $495,000.00, $505,000.00 and $530,000.00. What is the percentage change in the median price of the properties from period 0 to period 1?

a. -0.5%

b. None of the alternatives

c. 0.5%

d. 0.0%