Ms．Smith got an 8 percent cost of living raise of $20 per week．（）

单项选择题A purchase plan for a stereo receiverre quires 20 percent of the total cost as adown payment and monthly payments of$30．（）

A、if the quantity in Column A is greater;
B、if the quantity in Column B is greater;
C、if the two quantities are equal;
D、 if the relationship cannot be determined from the information given.

单项选择题Brand R coffee costs $3.25 per pound and brand T coffee costs $2.50 per pound． The number of pounds of brand R in a？（）

A、if the quantity in Column A is greater;
B、if the quantity in Column B is greater;
C、if the two quantities are equal;
D、 if the relationship cannot be determined from the information given.