What is the equivalent infix expression of the following postfix expression?
M, N, O, +, *, P, /, Q, R, S, T, /, +, *, –
1
N * (M + O)/Q – P * (S + R/T)
2
(((M * (N + O)) / P) – (Q * (R + (S / T))))
3
O * (M + N)/P – Q * (R + S/T)
4
M * (N + O)/Q – P * (R/S + T)