From the following information, calculate Opening Trade Receivables and Closing Trade Receivables :
Trade Receivables Turnover Ratio - 4 times
Closing Trade Receivables were Rs 20,000 more than that in the beginning.
Cost of Revenue from operations - Rs 6,40,000.
Cash Revenue from operations \( \frac{1}{3} \)rd of Credit Revenue from operations
Gross Profit Ratio - 20%