Comprehension Passage
Directions: Answer the questions based on the information given below.
The bar graph below shows the average number of books sold by three shopkeepers (A, B, and C) over a span of five years, the average number of books sold by A and B, and the average number of books sold by B and C in the same year.
What is the ratio between the total number of books sold by shopkeeper 'C' from 2019 to 2020 and the total number of books sold by shopkeeper 'B' from 2022 to 2023 respectively?
1
3 : 7
2
6 : 13
3
8 : 11
4
12 : 17
5
24 : 31