please help answer all parts of the question

1. A Wfaces a labor supply curve given by L' = 400 + 0.0150 , where a) is the annual salary. (a) What is the lowest salary the rm can pay yet still induce one worker to want to work for the rm? What is lowest salary the rm must pay to induce two workers to work for the rm? (b) What is the marginal cost to the rm of adding a second worker given that it must pay all employees the same wage? Is this greater than, less than, or equal to the wage paid to each of the two workers? (0) In general, the marginal cost of hiring additional labor for this rm is given by ME, = 40,000 + 2001.. If the rm's labor demand curve is given by Ld = 160 w/ 300, what is the protmaximizing number of workers the W should hire? What is the salary the workers will be paid