q1=1000-150p+2y+20p2 if current prices good 1 is 5 birr the price of good 2 is 8 birr and par capital of income is 500 birr where Q1is quantity of good 1 demand, p1 is prices of good 1, p2 is price of good 2,and Y is per capita income of the consumer then calculate prices elasticity of demand

q1=1000-150p+2y+20p2 if current prices good 1 is 5 birr the price of good 2 is 8 birr and par capital of income is 500 birr where Q1is quantity of good 1 demand, p1 is prices of good 1, p2 is price of good 2,and Y is per capita income of the consumer then calculate prices elasticity of demand