Please provide correct answers. Need answer for this image and after that's answered I need answer to this question: what is the equilibrium wage rate and level of employment?

Assume a firm is a monopsonist that can hire its first worker for $6 but must increase the wage rate by $3 to attract each succes- sive worker (so that the second worker must be paid $9, the third $12, and so on). LO17.3 a. Draw the firm's labor supply and marginal resource cost curves. Are the curves the same or different? If they are different, which one is higher