Consider the following bar chart:
Which of the following are true?
- Number of students who scored $A$ in Algebra is higher than the number of students who scored $A$ in Calculus
- Percentage of students who scored $A$ or $B$ in algebra is lower than the percentage of students who scored $A$ or $B$ in calculus
- Calculus is easier than algebra
- Considering this data, the average percentage of students scoring $A$ is $12\%$