In a certain city, the unemployment rate was 20% last year and this year it is 30%. which of the following statements is correct? o a. in absolute terms, the unemployment rate this year is 10 percentage points higher than last year and in relative terms it is 33.3% higher. 0 b. in absolute terms, the unemployment rate this year is 10 percentage points higher than last year and in relative terms it is 50% higher ° c. in absolute terms, the unemployment rate this year is 10 percentage points higher than last year and in relative terms it is 10% higher 0 d. in absolute terms, the unemployment rate this year is 50 percentage points higher than last year and in relative terms it is 10% higher