1. Walmart Supercentres sale many items in different departments, i.e., produce, frozen, dairy, apparel, pharmacy, home dcor, etc. etc. There is often a sale in many products in apparel section but never in the pharmacy, especially for prescription drugs. Why is that? Explain with the help of Microeconomic 101.

2.With sudden COVID-19, many people cannot work causing delays and cancellations of energy-related projects. Many people are even losing jobs. As a result, they are becoming defaulters of mortgage payments (payments for the houses). Even after relaxation by commercial banks (the mortgage holders), many people will not be able to afford houses and will have to put their houses for sale. What will be the effect to have on house prices in Canada? Explain the impact on house prices and quantity bought and sold of houses in Canada.