The table lists the unit selling price of five products $\mathrm{P}, \mathrm{Q}, \mathrm{R}, \mathrm{S}$, and $\text{T}$. On a particular day, $250$ items were sold with the average selling price of Rs. $60$. The following observations were made:
- The quantity of $\text{S}$ sold was twice that of $\text{T}$.
- The quantity of $\text{R}$ sold was thrice that of $\text{T}$.
- The quantity of $\text{Q}$ sold was four times that of $\text{T}$.
\[
\begin{array}{|l|c|c|c|c|c|}
\hline
\text{Product} & P & Q & R & S & T \\
\hline
\text{Unit selling price (Rs.)} & 100 & 50 & 40 & 60 & 60 \\
\hline
\end{array}
\]
What is the quantity of product $\text{P}$ sold on that day?
- $40$
- $50$
- $60$
- $70$
