SHOW THE CALCULATIONS THANK YOU! the question is below the graph. Please answer number 10 and 15 Thank you!

C, IG -450 C + + G C+! Expenditures 1400 1000 45* 1000 $ 1500 National Income = GDP 1. At what level of income will consumption be in equilibrium? 2- At what level of income will savings be = 0? 3- How large are investments? 4- At what level of income are consumption + investments at equilibrium? 5. How much did income increase when investments were introduced? 6- What is the slope of the consumption function? 7. What is the MPC? 8. What is the MPS? 9. APC at income $1500 10- What is the size of the multiplier? 11- If investments increase $200 how much will income increase? 12- If full employment income (GDP) is at $1900, how much should government spending increase to get to income = $1900? 13- If the MPC is.75, what is the multiplier? 14- When the multiplier is 2, what was the MPC? 15- Using C=a+by fill in the values for a and b for the graph above