Last month, Sheena's hourly wage at her job was $12. She also received a bonus of $340. The total amount she earned from her job was $1216. Sheena wrote the equation 1216=12x+340 for this situation, and she found x=73.

Which statement is true about the solution x=73?

A. The solution x=73 gives the number of dollars Sheena earned each week at her job last month.

B. The solution x=73 gives the number of dollars Sheena earned per hour at her job last month.

C. The solution x=73 gives the amount of bonus Sheena earned at her job last month.

D. The solution x=73 gives the number of hours Sheena worked at her job last month.