please help me this question and give me the answer

1a. Using a diagram of the ISLM model, show the effect of an increase in government spending on the interest rate and output (2 pts.) b. Carefully explain the mechanism by which the change in G affects the m1: the way it does in your diagram above. (4 pts.) c. Carefully explain the mechanism through which the change in G affects output the way it does your diagram above. (4 pts.)