Pricelist at the cinema: David goes on Friday and buys two large cool drinks and two boxes of popcorn.

\begin{tabular}{llllll}
\textbf{Ticket} & \textbf{2D Movie} & \textbf{3D Movie} & \textbf{Small} & \textbf{R15} & \textbf{250 ml} \\
\hline
\textbf{Normal} & \textbf{R50} & \textbf{R75} & \textbf{Medium} & \textbf{R20} & \textbf{340 ml} \\
\textbf{Budget} & \textbf{R25} & \textbf{R35} & \textbf{Large} & \textbf{R25} & \textbf{500 ml} \\
\textbf{Tuesday} & & & & \\
\end{tabular}

3.1 If the popcorn costs R15 each, calculate the total amount that David paid. Use the formula:
[tex]\[ \text{Costs} = \text{Cost of movie tickets} + \text{Cost of cooldrinks} + \text{Cost of popcorn} \][/tex]
(3)

3.2 Calculate the amount that David would save if he went on Tuesday and got the Tuesday combo deal. Use the formula:
[tex]\[ \text{Savings} = \text{Cost on Friday} - (\text{Cost of movies} + \text{Tuesday Refreshments}) \][/tex]
(3)

3.3 Which size cooldrink is the best value for money in your opinion?
(2)

3.4 Provide a reason why the budget deal is on a Tuesday.
(2)