Refer to question 8. The 2,140 Ziponians who searched for work during the previous four weeks included: 54 ski resort employees who lost their winter jobs but expect to get them back in late fall; 200 recent high school graduates; 258 former textile workers who lost their jobs when their employers moved their operations overseas; 143 mothers and 19 fathers who had stayed at home to raise their children but who recently decided to reenter the workforce; 394 high school and college students who want summer jobs; 127 people who live in West Ziponia and lost their jobs when their employers moved operations to East Ziponia, but who are not qualified for the remaining jobs in the west; 110 recent college graduates; and 32 retirees who decided to return to the workforce. The remaining job seekers lost their jobs due to a recession. Use this information to:

a. Classify the job seekers by their type of unemployment, and calculate how many fell into each category.
b. Find the frictional, seasonal, structural, and cyclical unemployment rates.