Each week, Kathy receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each day can be estimated with the equation P = 108 - 23d, where P is the number of phones left and d is the number of days she has worked that week. What is the meaning of the value 108 in this equation? A.) Kathy starts each week with 108 phones to fix.

B.) Kathy repairs phones at a rate of 108 per hour.

C.) Kathy repairs phones at a rate of 108 per day.