How would an increase in each of the following affect the consumption function

I had that same exact question on my test, and here are the answers to the A B C D
a. negative, high tax, low consumption. 
b. negative, high interest rate, low consumption. 
c.positive, high confidence, high consumption. 
d. negative, high price, low consumption. 
The saving function= Income - Consumption. You do the math. High consumption, low saving.