The commission rate of Mr. Eaquerra is 20%To find the commission rate of Mr. Eaquerra, we use the formula [tex]\text{Commission Rate} = \frac{\text{Commission Earned}}{\text{Cost of the Appliance}} \times 100$$[/tex]We then substitute the given values to the formula[tex]=\frac{6,000}{30,000} \times 100[/tex]= 0.2 x 100=20%Therefore, the commission rate of Mr. Eaquerra is 20% if he received P6,000 from selling an appliance that costs P30,000.