The money supply curve is

One Guy's Pizza advertising expenditures are $1,200 and sales are $30,000. When the advertising expenditure increases to $1,400, pizza sales increase to $32,000. The arc advertising elasticity of demand is approximately ________

A) 0 B) 0.1 C) 0.4 D) 2.5 E) 12.5

Which price index measures the change in housing prices from repeated sales information?

A) S&P / Case-Shiller index B) GDP deflator C) Chain-weighted consumer price index D) Dow-Jones index