Nevaeh's coffee shop starts the day with $50 in the cash register. The shop earns $25 each hour for the 8 hours it is open. Using a linear model, Nevaeh records the total amount of money, y, in dollars, in theregister xhours after the shop opens. Use this information to answer any questions that follow. What does the y-intercept of Nevaeh's model represent?

A. The amount of money in the register at the start of the day.
B. The total amount of money in the register at the end of the day.
C. The amount of money the shop earns each hour it is open.
D. The total amount of money in the register 1 hour after the shop opens.