Pls help me answer this taxation problem in Philippines. Thank you

19. During the taxable year, the total purchases of goods for sale amounted to P500,000. Transportation expenses are P5,000 for goods purchased and P10,000 for goods sold. During the year, total sales amounted to P550,000. At the end of the year unsold goods amounted to P40,000. The cost of goods sold for the period is * (1 Point) A. P505,000 B. P475,000 C. 465,000 D. P460,000