CA Foundation 2022 June Business Economics and Business and Commercial Knowledge

Read the following data and answer Questions 55 - 56$X, Y$ and $Z$ are three commodities where $X$ and $Y$ are complementary goods whereas $X$ and $Z$ are substitutes.A shop keeper sells commodity $X$ at Rs. 20 per piece. At this price he is able to sell 100 pieces of $X$ per month.After some time, he decreases the price of $X$ to Rs. 10 per piece. Following the price decrease.He is able to sell 150 pieces of $X$ per month.The demand for $Y$ increases from 25 units to 50 units.The demand for commodity ${Z}$ decreases from 75 units to 50 units.