11. On a particular Saturday, Tom had planned to paint a room in his house, but his employer gave him the opportunity to work that day. If Tom works, he must hire a painter for $120. For Tom to have a positive cash flow from working and hiring the painter a. Tom must eam more than $158 if he is in the 24% marginal tax bracket. b. Tom must eam at least S158 if he is in the 32% marginal tax bracket. c. Tom must eam at least $140 if he is in the 24% marginal tax bracket. d. Tom must earn at least S120 if he is in the 12% marginal tax bracket