#11 and #12 please

Question 11 Which one of the following price patterns is most indicative of an efficient market given two announcements concerning the operations and plans of that firm? Complete 0.00 points out of 1.00 Select one: Flag question a. B. 10, 11, 12, 11, 10, 9, 8, 8 b. D. 10, 13, 12, 12, 7, 8, 9, 8 c. E. 10, 10, 10, 10, 10, 10, 10, 10 d. C. 10, 15, 13, 12, 6, 7, 8, 8 e. A. 10, 10,12, 12, 8, 8, 8, 8 Question 12 Using the tax shield approach, a(n). will increase the operating cash flow. Complete 0.00 points out of 1.00 Flag question Select one: a. E. increase in depreciation b. C. increase in sales with an equal increase in costs c. D. increase in costs d. B. decrease in sales e. A. decrease in depreciation