Arnie is a single college student who earned​ $7,700 working​ part-time. He had​ $200 of interest income and received​ $1,000 of support from his parents. b. Buddy is a single college student who earned​ $7,700 working​ part-time. He had​ $1,600 of interest income and received​ $1,000 of support from his parents. c. Cindy is divorced and received​ $6,000 of alimony from her former husband and earned​ $12,000 working as a secretary. She also received​ $1,800 of child support for her son who lives