You possess the following information about IPATH. The price elasticity of demand for IPATH is -2.5; The cross price elasticity of demand for IPATH with respect to Laptops is +0.50; the income elasticity for IPATH is +3.0.
a. If the price of IPATH were increased by 4%, by what percentage would sales of IPATH change?
b. An increase in the price of IPATH would increase the demand for laptops by 2%
c. Supose that the price of IPATH increases by 5%,at the same time the price of laptops falls by 3% and income elasticity increases by 2%. What combined effect of these changes is expected with respect to sales of IPATH