
Answer:
a. rise in unemployment
Explanation:
Aggregate demand is a term describing the total demand for goods and services in the economy. If the aggregate demand rises, it means the country's population is requesting more goods and services. Â Production will increase to meet the new demand, and consequently, the GDP will grow.
Should the economy experience a fall in aggregate demand, industries will  reduce the level of production.  GDP is the total production in the economy. If the output is below the potential GDP,  it implies a decline in production. The economy is slowing down. The manufacturing and service sectors will cut down production. Reduction in production mean industries will lay-off employees. Unemployment will rise as industries will not create employment opportunities for job seekers.