The table above shows the total product schedule for Rick's Lawn Service, a yard care company. When the 4th worker is hired, the ________ product of labor equals ________ lawns mowed

The change in cost that results from a one-unit increase in output is called the

A) average fixed cost. B) per-unit variable cost. C) per-unit total cost. D) marginal cost. E) average cost change.

When the exchange rate moves from $1 = CAD1.5 to $1 = CAD1.66, it implies:

a. the U.S. dollar has depreciated in relation to the Canadian dollar. b. U.S. imports of Canadian goods will rise. c. the dollar price of the Canadian dollar has risen. d. the Canadian dollar has appreciated in relation to the U.S. dollar. e. Canadian imports of U.S. goods will rise.