use the following information for the four questions that follow. suppose that sometime in the future, humankind colonizes mars. further suppose that there are 12,000 colonists. of these 12,000 people, 1,000 are either too old to work or too young to work. of the remaining individuals, 5,000 are employed with full-time jobs; 3,000 are employed part-time, but wish to work full-time; 1,000 are underemployed, but working full-time jobs; 1,000 are currently not working but are looking for work; and the remainder are discouraged workers.