If a, b and c are the median. mode and range, respectively, of the data: 8, 5, 4, 3, 2, 7, 3, 10, 9, 17, 12, 3, 8, 4, then what is the value of $$\left(3a-2b+c\right)$$?

A

29

B

30

C

26

D

27