The table gives the total utility a consumer receives from good X at different quantities consumed. quantity of X consumed: 1,2,3,4,5,6,7; total utility (units): 30,50,65,75,80,83,84. The consumer gains three units of utility from the final $ she spends on each good that she buys. What is the greatest number of units of X that she will consume if the price of X is $5?
- A3
- B4
- C5
- D6