Andreas Limited Has the Following Figures in the Financial Statements

Andreas Limited has the following figures in the financial statements for the year ended 30 November 2019:
$\begin{array}{|l|c|c|}\hline & 2019 & 2018 \\\hline & £ & £ \\\hline \text { Operating profit } & 42,000 & 35,000 \\\hline \text { Depreciation charged in year } & 28,000 & 25,000 \\\hline \text { Inventories } & 35,000 & 40,000 \\\hline \text { Trade receivables } & 29,000 & 32,000 \\\hline \text { Trade payables } & 25,000 & 19,000 \\\hline\end{array}$ What is Andreas Limited's cash inflow from operating activities for the year ended 30 November 2019 using the indirect method?

A) £56,000
B) £66,000
C) £72,000
D) £84,000