Please help me I will give you the brain thing and extra points. image below for graph. The scatter plot shows the relationship between the average number of nightly customers and the number of months since a restaurant opened. The equation represents the linear model for this data.

y = 5x + 120

What does the number 5 in the equation mean in this context?

The restaurant has been open for 5 months.

A. The average number of customers per night increased by 5 each month.

B. There were 5 customers per night when the restaurant opened.

C. For every 5 months the restaurant has been open, there are 120 more customers per night.

D. There were 5 customers per month after the restaurant was open 120 months.