💼There are three classes of corporations: domestic corporations, resident foreign corporations, and non-resident foreign corporations.
💸The tax rates for domestic and resident foreign corporations are either 25% or 20%, depending on their net taxable income and total assets.
📝Allowable deductions for corporations include actual expenses and the optional standard deduction, which is computed as 40% of gross income.
🌍Gross income for corporations includes sales of goods or services, minus returns, allowances, discounts, and cost of sales.
🔒Income subject to final withholding tax and capital gains tax is excluded from gross income.