Please help with this problem, thank you!

4. The following table contains data from a survey sent to city residents after an election. Participants were asked to state their income bracket and whether or not they voted in the election. Voted Did Not Vote Total $0-$9,999 93 204 297 $10,000-$39,999 66 174 240 $40,000-$79,999 95 442 537 $80,000-$159,999 42 323 365 >$160,000 7 61 68 Total 303 1204 1507 Let E = {voters} F = {people with incomes less than $80,000} G = {people who make $10,000-$39,999}. (a) [5 points] Use symbols to write down the set "non-voters who make at least $80,000." (b) [5 points] How many people are in the set EUG? (c) [5 points] How many people are in the set En F