The following data gives the distribution of total monthly household expenditure of 200 families of a village. Find the modal monthly expenditure of the families. Also, find the mean monthly expenditure: \[ \begin{array}{|c|c|c|c|c|c|c|c|} \hline \text{Expenditure (in ₹)} & 1000 - 1500 & 1500 - 2000 & 2000 - 2500 & 2500 - 3000 & 3000 - 3500 & 3500 - 4000 & 4000 - 4500 & 4500 - 5000 \\ \hline \text{Number of families} & 24 & 40 & 33 & 28 & 30 & 22 & 16 & 7 \\ \hline \end{array} \]