Benito embroiders and sells T-shirts. The graph shows his profit as a function of the number of shirts sold. After selling a certain number of shirts, Benito uses some earnings to buy more materials and then increases the price of the shirts. Which of the following is true? A coordinate plane with 12 distinct points plotted which are not connected. The points are 0 comma negative 20, 1 comma negative 10, 2 comma 0, 3 comma 10, 4 comma 20, 5 comma 30, 6 comma 40, 7 comma 50, 8 comma 25, 9 comma 40, 10 comma 55, and 11 comma 70. Part B Which of the following correctly compares the two parts of the function in Part A, over the intervals [0, 7] and [8, 11]? A. Benito made an extra $25 after selling 7 shirts. B. Benito spent $1 after selling 50 shirts. C. The price of one shirt increases from $10 to $15. D. Benito's profit per shirt increases from $10 to $15.