Research conducted for HMRC estimated the cross elasticity of demand for using gaming machines to be 1.28 in response to changes in the price of national lottery tickets. (Source: https://www.gov.uk/government/uploads/system/uploads/ attachment_data/file/322845/report313.pdf) In October 2013 Camelot increased the price of a national lottery ticket from f1 to E2. (b) Explain the likely impact of the price increase of national lottery tickets on thedemand for using gaming machines. (2 marks)