Need help with question C.

Consider the following numerical example describing goods markets: 6 = 200 + 0.251"! I: 150 + 0.25Y 10001\" G = 250 T = 200 5 MW at is the effect of each of the following scenarios on the position of the IS curve? S ow whether the IS curve shifts: if so, which direction: and explain why in l sentence or less. i. Congress passes a tax cut. ii. There is a fall in business condence. or 'animal spirits'. iii. The central bank reduces the interest rate