Problem $19-03$

A firm has the following total revenue and total cost schedules:

$TR=$$$2Q.$

$TC=$$$3,500+$$$1\mathrm{.}7Q.$

a$.$ What is the break$-$even level of output? Round your answer to the nearest whole number. $$ units

What is the level of profits at sales of $12,700$ units? Round your answer to the nearest dollar. $ $$

b$.$ As the result of a major technological breakthrough, the total cost schedule is changed to:

$TC=$$$7,000+$$$0\mathrm{.}7Q.$

What is the break$-$even level of output? Round your answer to the nearest whole number. $$ units

What is the level of profits at sales of $12,700$ units? Round your answer to the nearest dollar.

$ $$