The Point Charge at the Bottom of the Figure Is

The point charge at the bottom of the figure is Q = +17 nC, and the curve is a circular arc. What is the magnitude of the force on the charge Q due to the other point charges shown? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

A) 1.9 × 10^-4 N
B) 1.2 × 10^-4 N
C) 1.6 × 10^-4 N
D) 2.3 × 10^-4 N