Starbucks’s marketing

If Starbucks’s marketing department estimates the income elasticity of demand for its coffee to be 1.45, how will the prospect of an economic bust (expected to decrease consumers’ incomes by 6 percent over the next year) impact the quantity of coffee Starbucks expects to sell?

Instruction:Round your response to 2 decimal places.

It will change by  percent.

Please show work and solution to the above question. thanks