Three friends have a bet on the value of the normal force in this free body diagram for an inclined plane problem? Raj says its 500 N Ram says its 250 N and Rahul says that its 433 N. Who is correct?

Question

$\begin{array}{1 1} \text{Rahul} (433 N) \quad \text{Ram} (250 N) \quad \text{Raj} (500 N )\end{array}$