int FactNotFact (int N) { if (N< 0 ) { fac=-1 } else { if (N==0 || N==1){ fac=1 } else { fac=N; K=N-1; while ( k <> 0 ) { fac = fac * k; k = k – 1; } } } Fact=fac; }.Using McCabe’s cyclomatic complexity, how many paths are there in this code