Good day, can someone help me in answering the following questions, I am having a bit of a problem answering them. If it's also possible can you also add an explanation, in order for me to know and study them. Thank you so much!

Question 1

If the economy has only consumers and business, if the investment is less than saving, then:

Select the correct response

a. income does not change

b. income falls

c. there is not enough information to tell

d. income less

Question 2

The total change in output resulting from an increase in taxes by Php 10 million with an MPC equal to 1/3 is

Select the correct response

a. Php 10M decrease

b. Php 5M increase

c. Php 5M decrease

d. Php 10M increase

Question 3

If the economy's full employment output is Php 6 trillion, the actual output is Php 3.5 trillion, and the budget deficit is Php 20 billion, the deficit, in this case, is known as a

Select the correct response

a. debt deficit

b. cyclical deficit

c. natural employment deficit

d. structural deficit

Question 4

Assume that the MPS is 0.25. Increasing government spending by Php 400, equilibrium output __________________ and by increasing taxes by Php 400, equilibrium output ___________________

Select the correct response

a. increases by Php 1,600; decreases by Php 1,600

b. increases by Php 400; decreases by Php 400

c. increases by Php 1,600; decreases by Php 1,200

d. increases by Php 1,200; decreases by Php 1,600

Question 5

Suppose that taxes depend on income. The MPC is 0.8 and t is 0.25. The government spending multiplier is

Select the correct response

a. 10

b. 5

c. 2.5

d. 1.67

e. 1.82

Question 6

Saving is

Select the correct response

a. all of the above

b. always equal to consumption

c. the sum of the funds people hold in their checking accounts

d. equal to disposable income plus consumption

Question 7

If taxes are Php 200 B, the equilibrium level of output is Php 6,000 B. If taxes increase to Php 300 B, ceteris paribus, the equilibrium level of output fails to Php 5,500 B. The value of the tax multiplier

Select the correct response

a. is -5

b. cannot be determined from this information because the MPC is not given

c. is 5

d. is -5.5