What is work done when V changes from 2 to 6 m3?

Question

A non flow quasi static (reversible) process occurs for which P = (-3V + 16) bar, Where V is volume in m³. What is work done when V changes from 2 to 6 m³?                                

(a) 16 x 10⁵J                (b) 16.5 x 10⁵J

(c) 16 x 10³J                (d) 16.5 x 10²J