Hey I'm having some trouble with this question, help would be great, thanks in advance.

An economy has a consumption function of C = 17 + 0.84(YD), taxes = 12+0.19Y, investment equal to 19, government expenditure equal to 17, exports equal to 16, and an import function of M = 0.18Y. 1) What is the equilibrium real GDP for this economy?\\ 0 A. 135.65 0 B. 117.93 O C. 105.30 0 D. 158.29 2) What is the multiplier for a change in government spending for this economy? 0 A. 3.00 O B. 1.85 O c. 2.25 O D. 2.00