A. Fixed percentage of gross income or the net taxable income B. Fixed percentage of gross income or 50% of the net taxable income C. 50% of the fixed percentage of gross income or 50% of the net taxable income D. 50% of the fixed percentage of gross income or the net taxable income
A. Rational method and irrational method B. Conservative method and conventional method C. Unit method and percentage method D. Discrete method and depletion allowance method