10. [-/1 Points] DETAILS 0/100 Submissions Used A company is increasing production of math-brain protein bars at a rate of 200 cases per day. All cases produced can be sold. The daily demand function is given by p(x) = 30 - X 200' where x is the number of cases produced and sold, and p is in dollars. Find the rate of change of the revenue with respect to the time in days when the daily production is 500 cases. 5,800 dollars per day 5,600 dollars per day O 5,000 dollars per day O 5,500 dollars per day O 5,700 dollars per day