Steven's school is selling chocolate bars to earn money for new band instruments. The school will receive 33% of the total sales revenue, y, given by the model y = 0.33x, where x represents the sales revenue. What is the meaning of the x-intercept in the model?

A) The x-intercept cannot be determined.
B) The x-intercept represents the school's percentage.
C) The x-intercept represents the sales revenue when no money was earned by the school.
D) The x-intercept represents the number of bars of candy sold.