Determine the Current in The $4.0 - \Omega$ Resistor for the Circuit Shown in the Figure

Multiple Choice

Determine the current in the $4.0 - \Omega$ resistor for the circuit shown in the figure. Assume that the batteries are ideal and that all numbers are accurate to two significant figures.

A) $1.6 \mathrm {~A}$
B) $0.28 \mathrm {~A}$
C) $2.1 \mathrm {~A}$
D) $1.3 \mathrm {~A}$