Answer:
A. His rate of commission
B. The amount of sale was P16,000, and Ryan's commission is P2,000
C. [tex]Commission Rate = \frac{Commission}{Sale} * 100[/tex]
D. [tex]\frac{2000}{16000} * 100\\ 0.125*100\\ = 12.5[/tex]
E. Ryan's rate of commission was 12.5%