An economy has a consumption function of C = 75 +0.80 YD, a marginal tax rate of 10%, investment equal to 10, government expenditure equal to 10, exports equal to 7, and an import function of M= 0.15Y. 48) Calculate the autonomous tax multiplier (the multiplier for a change in autonomous taxes/lump sum taxes). A) -1.86. B) -2.33. C) -1.40. (D) 1.86. E) 2.33