Romila, Pooja and Swati went out for dinner in a hotel. Romila paid $\large\frac{1}{3}$ of the bill, Pooja paid $\large\frac{1}{5}$ of the bill. Swati paid the remaining part of the bill. What part of the bill was paid by Swati?

Question

$ ( A ) \large\frac{7}{15} \\ ( B ) \large\frac{4}{15} \\ ( C ) \large\frac{2}{15} \\ ( D ) \large\frac{1}{15}$