What would happen to the equilibrium price and quantity of lattés if coffee shops began using a machine that reduced the amount
of labor necessary to produce steamed milk, which is used to make lattés, and scientists discovered that coffee prevents heart attacks?a. Both the equilibrium price and quantity would increase.b. Both the equilibrium price and quantity would decrease.c. The equilibrium price would increase, and the effect on equilibrium quantity would be ambiguous.d. The equilibrium quantity would increase, and the effect on equilibrium price would be ambiguous.
1 answer:
Answer:
.d. The equilibrium quantity would increase, and the effect on equilibrium price would be ambiguous.
Explanation:
The use of the machine would increase the supply of lattes and price falls. The supply curve would shift to the right. If scientists discover that coffees reduce heart attack, the demand for coffee would increase and price would increase. The demand curve would shift to the right.
The combined effect would be a rise in equilibrium quantity and an indeterminate effect on equilibrium price.
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=
=$7.5
=
=$7.5
Answer:
r = 9.86%
Explanation:
The formula for calculating the future value of an invested amount yielding a compound interest is given by:
where:
FV = future value = $16,000
PV = present value = $10,000
r = interest rate = ?
n = number of compounding period per year = 1
t = time in years = 5
∴
dividing both sides by 10,000
to remove the power of 5, we have to take the 5th root of both sides:
Using your calculator:
1.09856 = 1 + r
∴ r = 1.09856 - 1 = 0.09856
r = 0.0986 = 9.86%
∴ r = 9.86%