1. Sales were 4,000 at a price of 200 but fell to 3,800 when the price was increased to 220….

1. Sales were 4,000 at a compensation of 200 but waste to 3,800 when the compensation was increased to 220. Calculate the percentage diversify in sales, the percentage diversify in compensation, and the compensation elasticity of require.

2. The compensation alterableity of require is −0.12. Is require alterable or resolute?