Jurisdiction M Imposes an Individual Income Tax Based on the Following

Jurisdiction M imposes an individual income tax based on the following schedule.
Rate $\quad$$\quad$$\quad$ Income bracket
5% $\quad$$\quad$$\quad$$\quad$ $-0- to $50,000
+ 8% $\quad$$\quad$$\quad$ $50,001 to $200,000
+ 12% $\quad$$\quad$$\quad$ $200,001 and above
-Mr Coen has $78,000 taxable income. Compute the tax on this income.

A)  $4,740
B)  $6,240
C)  $8,740
D)  None of the choices are correct.