Given below are two quantities named A and B. Based on the given information, you have to determine the relationship between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers.

Quantity A: The average of runs scored by a cricketer in 9 innings is 41. If after 10th innings his average increases by 4 runs per innings, then how many runs did he score in the 10th innings?

Quantity B: 73 runs