Please help me answer this taxation problem

43. In March 1, 201A, X Corporation reported the following business income and expenses: Sales P1,000,000 Cost of sales 600,000 Operating expenses 200,000 Gain from sale of old furniture 20,000 If 20% of operating expenses of X is prepaid expenses, how much is the taxable income? * (3 Points) A. P260,000 B. P240,000 C. P220,000 D. P200,000