-The Table Above Shows the Transaction in Pinkland Last Year

$\begin{array}{|l|l|}\hline \text { Item } & \begin{array}{l}\text { Amount } \\\text { (millions of dollars) }\end{array} \\\hline \text { Wages paid } & 100 \\\hline \text { Consumption expenditure } & 120 \\\hline \text { Taxes } & 40 \\\hline \text { Transfer payments } & 15 \\\hline \text { Profits } & 35 \\\hline \text { Investment } & 30 \\\hline \text { Government expenditure } & 50 \\\hline \text { Exports } & 30 \\\hline \text { Imports } & 40 \\\hline\end{array}$
-The table above shows the transaction in Pinkland last year:
a) Calculate Pinklandʹs GDP.
b) What approach did you use to make this calculation?