The next table shows the marginal value of beer for individual A. The values are measured in dollars. Table 1: Individual A Quantity of Beer Marginal Value of Beer (in $) 1 10 2 9 3 8 4 7 5 6 6 5 7 4 8 3 9 2 10 1 What is the price elasticity of A's demand between the price of $6 and $5 (evaluated at the averages)? (Select all that apply} Select 2 correct answeds}