The pie chart given below shows the number of pens sold by each of 8 different shops in a month as a percentage of the total number of pens sold by these 8 shops taken together in that month.

What will be the sum of the central angles made by the sectors A1 and A4?

A

$$84.4^\circ$$

B

$$75.6^\circ$$

C

$$68.2^\circ$$

D

$$59.6^\circ$$