Net income is calculated by the change in capital over a period, adjusted for drawings and capital contributions. Since there were no drawings or additional capital introduced, the increase in capital from $1,000 to $2,000 directly represents the net income earned by the business during the accounting period.

According to the fundamental accounting equation, Assets = Liabilities + Capital. Therefore, rearranging the formula to solve for Capital results in Capital = Assets - Liabilities. This represents the owner's residual interest in the business assets after all liabilities have been settled.

When an owner withdraws cash or assets for personal use, the transaction is recorded in the Drawings account. This account acts as a contra-equity account, effectively reducing the owner's total capital investment in the business. The debit entry reflects the decrease in the owner's equity.

According to the business entity concept, the business and the owner are separate. When the proprietor invests capital, the business receives an asset (usually cash or bank) and incurs a liability toward the owner. This investment is recorded in the Capital Account, which represents the owner's equity in the business.

In non-profit organizations like clubs, the 'accumulated fund' represents the surplus of assets over liabilities, serving the same purpose as the 'capital account' in a for-profit business. It reflects the net worth of the organization accumulated over time.

The Capital account typically maintains a credit balance. According to the rules of double-entry bookkeeping, assets and expenses generally carry debit balances, whereas liabilities, equity, and revenue accounts carry credit balances. Capital represents the owner's equity in the business, thus it is classified as a credit-natured account.

Capital represents the owner's equity or the total value of assets contributed by the owner to start and operate a business. It serves as the foundation of the business's financial structure and is recorded as a liability to the owner in the accounting equation.

Capital represents the owner's equity or the initial investment made into the business to fund its operations. It is the foundation of the business entity concept, distinguishing the owner's personal assets from the business's assets. When cash is introduced by the owner, it increases both the cash asset and the capital account of the business.

When fresh capital is introduced, the business receives cash, which increases the total assets. Simultaneously, the owner's equity increases because the capital contribution represents the owner's investment in the business. According to the fundamental accounting equation (Assets = Liabilities + Equity), an increase in assets must be balanced by an equal increase in equity, assuming liabilities remain unchanged.

Capital represents the owner's investment. When a sole trader uses business funds for personal expenses, it is treated as a drawing, which reduces the owner's equity (capital). The other options represent asset exchanges or liability increases that do not immediately affect capital.