Problem: Suzy is a single mother. Her son is 4 years old. She has earned income of $28,000. Calculate her quarterly GSTC and monthly Ontario sales tax credit.
Select one:
a. $179.25 & $50.17
b. $145.00 & $25.67
c. $145.00 & $50.17
d. $193.25 & $54.00