**Commenced business with cash 50000:**

When a business is established, it requires some initial capital to start its operations. In this case, the business was commenced with a cash amount of Rs 50,000. This cash can be used for various purposes such as purchasing assets, paying expenses, or investing in the business.

**Purchased goods for cash 30000:**

As the business operates, it needs to acquire goods or inventory to sell to its customers. In this case, the business purchased goods worth Rs 30,000 using cash. This means that the business paid the supplier immediately in cash to acquire the goods.

**Purchased goods on credit 20000:**

Sometimes, businesses may not have enough cash to make immediate payments for goods. In such cases, they can purchase goods on credit, which means they receive the goods now and pay the supplier later. In this case, the business purchased goods worth Rs 20,000 on credit. This indicates that the business acquired the goods from the supplier without making an immediate payment, and the supplier would expect to be paid at a later date according to the agreed credit terms.

**Sold goods cost Rs 10000 for 12000:**

After acquiring goods, the business sells them to its customers at a higher price to generate revenue. In this case, the business sold goods worth Rs 10,000 to its customers. The cost of these goods to the business was also Rs 10,000. However, the business sold these goods for Rs 12,000, indicating that it made a profit of Rs 2,000 on this transaction.

**Bought furniture on credit 2000:**

Apart from purchasing goods, businesses may also need to acquire assets such as furniture, machinery, or equipment to support their operations. In this case, the business bought furniture worth Rs 2,000 on credit. This means that the business received the furniture from the supplier without making an immediate payment and would be expected to pay the supplier at a later date according to the agreed credit terms.

**Paid cash to a creditor 15000:**

Businesses often have obligations to pay their creditors, who can be suppliers, lenders, or other parties to whom they owe money. In this case, the business paid Rs 15,000 in cash to one of its creditors. This indicates that the business settled a debt or obligation by making a cash payment to the creditor.

Overall, the business commenced with an initial cash investment, purchased goods both for cash and on credit, sold goods at a profit, acquired furniture on credit, and paid cash to a creditor. These transactions are common in business operations and are necessary for the smooth functioning and growth of the business.