Pearl and Ruby were partners in a firm with a combined capital of \rupee2,50,000. The normal rate of return was 10\%. The profits of the last four years were as follows:
\[
\text{2019–2020: \rupee35,000, 2020–2021: \rupee25,000, 2021–2022: \rupee32,000, 2022–2023: \rupee33,000}.
\]
The closing stock for the year 2022–2023 was overvalued by \rupee5,000. Calculate goodwill of the firm based on three years’ purchase of the last four years’ average super profit.