Given the following table, draw and explain the step demand curve for female labour.

TABLE 8.7. DISCRIMINATION COEFFICIENTS AND RESERVATION WAGES TO EMPLOY WOMEN DISCRIMINATION RESERVATION RESERVATION EMPLOYER COEFFICIENT d WAGE RATIO WAGE R Archie 43 .70 14 Ben .25 80 16 Carl .11 190 18 Dan .00 1.00 20 Ed -.09 1.10 22 Notes: The reservation wage ratio is 1/(1 + d). The hourly wage of men is wm = 20, so the reservation wage to employ women is R = 20/(1 + d)