Given the data belovalculate the picking efficiency for a team that picked $8,700$ lines

today.

Humber of shifts $2$

Number of hours available $7$

Total hours per shift. $8$

Number of pickers per shift $6$

Standard lines per picker per hour $100$

A$.84\%$

B$.90\mathrm{.}6\%$

C$.96\mathrm{.}6\%$

D$.103\mathrm{.}6\%$

Note : Someone is saying Answer is A and AI is saying Answer is B

I need a complete analysis of it $.$ please suggest