Worldwide annual sales of a device in 2012–2013 were approximately q = −6p + 3,050 million units at a selling price of $p per unit. Assuming a manufacturing cost of $40 per unit, what selling price would have resulted in the largest annual profit? HINT [See Example 3, and recall that Profit = Revenue − Cost.] (Round your answer to two decimal places.)

Suppose the government enacts a stimulus program composed of $600 billion of new government spending and $300 billion of tax cuts for an economy currently producing a gdp of $14 comma 000 billion. if all of the new spending occurs in the current year and the government expenditure multiplier is 1.5, the expenditure portion of the stimulus package will add nothing percentage points of extra growth to the economy. (round your response to two decimal places.)