please answer all questions correctly and give explanation. Will give a thumbs up

QUESTION 18 Which of the following are likely fixed cost? Rent O Salaries O Insurance O All of these QUESTION 19 This costs changes in total with each level of volume or activity O Fixed O Variable QUESTION 20 A variable cost remains constant per unit at various levels of activity O True O False 6 B - F Which letter represents fixed cost OG QUESTION 9 8 SH At which point is break even? OA OC OH OG QUESTION 13 If target income is $100 and Fixed Costs are $200, and CMU is $10 what are targeted sales in Units? O 60 O 35 O 30 O 50