Demand and Supply of Labour Are Given By

Demand and supply of labour are given by:
LD = 250 - 4w
LS = 50 + w
where w is the real wage and LD and LS are the quantities of labour demanded and labour supplied,respectively.
a. What are the equilibrium wage and quantity of employment?
b. If the government imposed a minimum wage of $45,what would be the new quantities of labour and demanded and supplied?
c. How many people would lose their jobs because of the minimum wage,and how many people are now unemployed?
d. Draw a graph to show your results of parts (a),(b),and (c).