a.Joan, who has been a university student for a year, has just started a new job. She

a.       Joan, who has been a university student for a year, has just started a new job. She

realises that if she works more hours there will be an impact on her grades. The following is Joan's production possibility table for work and her average grades:

iii. If the opportunity cost of Joan increasing her grade was constant regardless of how many hours she worked, what would be the shape of her production possibility curve? Draw this graph. Which of the two shapes would be more likely, and why? (2 marks)