Show the impact of the following events on the market for fleece sweatshirts—graph each case separately. Be sure to label the initial and subsequent prices, quantities, curves, equilibriums, etc… i.e. corresponding supply, demand, price and quantity. Clearly state any relationship between the goods and/or events in question. (Hint: assume ceteris paribus.)
a) A hurricane in South Carolina damages the cotton crop.
b) The price of light casual jackets falls.
c) All colleges require morning calisthenics in appropriate attire.
d) New knitting machines are invented.
e) A very popular football team changes its mascot and colors.