Clara is an elderly woman who wants to sell her house. Her daughter-in-law, Elise, used to be a real estate agent. "Mom," she says, "I'll save you the commission. I'll take care of selling your house free of charge." Does Elise need to renew her license to handle this transaction? What if Clara, after the transaction closed, unexpectedly decided to give her daughter-in-law a necklace, a valuable family heirloom, as a present for her assistance with the sale? Would your answer change if the reward was merely dinner at a casual restaurant that Clara knows Elise likes