In 2006, the five leading suppliers of digital cameras in the United States were: Canon, Sony, Kodak, Olympus, and Samsung.The combined market share of these five firms was 60.9 percent.The leading firm was Canon, with a market share of 18.7 percent.The own price elasticity for Canon's cameras was -4.0 and the market elasticity of demand was -1.6.Suppose that in 2006, the average retail price of a Canon digital camera was $240 and that Canon's marginal cost was $180 per camera.

Based on this information, calculate the Rothschild index and Kodak's Lerner index.

Rothschild index:

Canon's Lerner index: