The average of 46 numbers is 50.5. The average of the first 25 numbers is 45 and that of the last 18 numbers is 56. The $$28^{th}$$ number is 67. If the $$26^{th}$$ and $$27^{th}$$ numbers are excluded, then what is the average of the remaining numbers?

A

50

B

50.4

C

51.5

D

51