Assuming an open economy with both government and foreign sector, use the following information to answer the question. Consumption spending increased from R3 750 to R5 700, and income increased from R5 000 to R7 600 in normal terms. t = 0.20 m = 0.12 The multiplier is…… (round to 1 decimal)

 a. 2.5

b. 3.2 

c. 4 

d. 1.9