Use

Substituting
F=1000, P=863.84, n=3
solve for i

solving for i
=>

=0.0500
Answer: the annual interest rate is 5%
Answer:
Cyclical Unemployment
Explanation:
Cyclical Unemployment occurs due to irregularities surrounding an economy and these said cycles eventually brings about recession and thus, a good number of willing workers would not be able to get jobs due to this fact. What Joseph is experiencing is called Cyclical unemployment.
Answer: The supply of money increases and so aggregate demand shifts right.
Explanation: When the Federal Government buy Bond they help to increase the amount of money available for the Banks to loan to Business entities, Organisations and individuals.
The Aggregate Demand will Shift to the right, signaling the Increase in the rate of Demand as a result of the Increase in the volume of Money in circulation within the Economy. Once consumers have money to spend or invest they will cause the Demand for goods and services to increase.
I think it's most likely to be A (better working conditions), free trade agreements exist when countries agrees to trade imports/exports with no barriers such as tariffs and quotas, e.g. ASEAN.
I hope to helped you!