I'm not sure if I am doing this correctly please help. Please show the formulas and any calculations that you do I'm really confused. Thank you so much I really appreciate it!

Based on the following information for a small, imaginary economy: . When income is $8,000, consumption spending is $6,800. . When income is $11,000, consumption spending is $9,200. A. Calculate marginal propensity to consume (MPC). (2 points) B. Calculate spending multiplier. (2 points) C. Calculate change in Real GDP demanded when government spending (G) increases by $6400 million, in the absence of the crowding-out effect. (4 points) D. What is the main problem of fiscal policy? Explain. (2 points) (Show all formulas and your calculations)