Listed in random order are the balance sheet figures of Mr. Q as at 31st March, 2015.
| Trade receivables | Rs. $50,000$ |
|---|---|
| Trade payables | Rs. $30,000$ |
| Building | Rs. $90,000$ |
| Capital | Rs. $1,00,000$ |
| Bank loan | Rs. $40,000$ |
| Inventories | Rs. $10,000$ |
| Cash | Rs. $20,000$ |
| Reserves | Rs. $50,000$ |
| Intangible assets | Rs. $30,000$ |
| Shares | Rs. $20,000$ |
| Equipment | Rs. $40,000$ |
| Retained earnings | Rs. $40,000$ |
Determine the owner's equity?