Answer:
d. Rise in price of alcohol
Explanation:
Change in Quantity demanded occurs due to change in Price. Change in Demand happens due to factors other than price - Income, Substitute & Complementary good's price, Taste.
Change in alcohol demand - due to substitute Cigarette price change , Change [Decrease] in alcohol demand - due to change in taste based on anti drinking sentiments, higher risk of alcohol liver cirrhosis , Change [Increase] in alcohol demand - due to change [rise] in Income : These all are due to factors other than price & hence are 'Change in Demand'
Rise in price of Alcohol leads to 'Change [Expansion] in Quantity Demanded' due to price change [rise] .
The best contraceptive for them to use is condom.
The use of condom will protect them to some extent from all types of sexually transmitted diseases and the method does not have any side effect. The only disadvantage that is attached to it is that, the condom may break if not properly inserted or if it has expired.
It can be assumed that $104 worth of Supplies have been used?
The wage will create surplus of workers since it is above the equilibrium wage.
Economic cartoons is your answer