Given the following information, answer the following questions.(4 pts total)

TR = $3Q

TC = $1,500 + $2Q

1. What is the break-even level of output?(1 pt.)
2. If the firm sells 1,300 units, what are its earnings or losses?(1 pt.)
3. If sales rise to 2,000 units, what are the firm's earnings or losses?(1 pt.)
4. If the total cost equation wereTC = $2,000 + $1.80Qwhat happens to the break-even level of output units?(1 pt.)