Use the following data and How to calculate labor force?

Use the following data to calculate
a) the size of the labor force,
b) the official unemployment rate, and
c) the labor force participation rate for a hypothetical economy: population = 500; population 16 years or older and non-institutionalized = 400; people employed full- or part-time = 200; people unemployed and actively seeking work = 20; people who have quit seeking work due to lack of success = 10; part-time workers seeking full-time jobs = 30.