Select the slope and y-intercept of the relationship shown in the table.
x 10,000 20,000 30,000
y 2,500 3,000 3,500
A slope = 0.05, y-intercept = 1,500
B slope = 0.5, y-intercept = 1,500
C slope = 0.5, y-intercept = 2,000
D slope = 0.05, y-intercept = 2,000