The Profit and loss a/c is a financial statement that summarizes the revenues, expenses, and costs incurred during a specified period, usually a fiscal quarter or year. Income from a business means any income shown in the profit and loss account after taking into account all the allowed expenditures by an assessee. The income includes both positive income i. e. profit and negative income i. e. loss. Expenses debited to Profit and Loss a/c but disallowed while computing income from Business:The general expenses (purchase or raw material, expenditure on salary, trading goods, etc) are debited to Profit and Loss a/c but are also disallowed while computing income from Business only if the amount exceeds Rs. 10,000 (Rs. 35,000 if an asset makes a payment for Plying, Hiring, or Leasing Goods Carriages) otherwise it is allowed. The expenditure is not associated with the course of the assessee's business or profession i. e. it is a Personal expense that is disallowed while computing income from Business but it is not debited to the Profit and Loss a/c as it is transferred as Drawings a/c to the partner's capital account. Expenses of Income that are taxable under the other heads of income are debited to Profit and Loss a/c but always disallowed while computing income from Business. Charities and donations being a non-business expenditure are disallowed while computing Income from Business and maybe allowed u/s 80G if it is an eligible donation for computing Total Income and will be shown on the debit side of the Profit and Loss a/c. Therefore, Statement (C), (D) only are debited to Profit and Loss a/c but always disallowed while computing income from Business.