Problem
If a 10 percent decline in the price of WiFi service increases the quantity of mobile computing devices demanded by 20 percent and increases the quantity of WiFi service demanded by 15 percent, calculate the cross-price elasticity of demand between WiFi service and mobile computing devices.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.