Please assist

B2. Supposing one is interested in the wage a woman with certain characteristics would be offered on the labor market if she decided to work. Unfortunately, one only observes the wages of women who actually work, i.e. who have accepted the wage offered to them. The sample is truncated because women who do not work (but who would be offered a wage if they asked for it) are never in the sample. a. What is the difference between censored data and truncated data? (6 marks) b. Which model would be appropriate for use in the kind of study described above? Justify your answer (7 marks) c. What is the main problem with just running OLS on the data? (7 marks)