. >> >eporter: l la'mom laura says it' a goodhanceorer lrn aboboanaging money anddintmrarang withothehers. but whihi selling ckies in front o this grocecy stor na g g an n expectededesson. >> there's good people in this world d d there's bad people, and it ws a good lesson for her learn. >> reporter: while helping a big crowd, lauraays a man handed her a $100ill for five boxes. she ga himim75 in change a a lef >>> someone gaves a fake $0 bill. we' the girl scscts. who wod dohat? so yeaeaeat was kini of shocking. >> police coirm it was coteeit bill while wafoofficeceotarriveanotr surpri thisimimfrom a good mamata t td her whwhapned. she wewe b bk homendave e $100. >> she said i didn't wanyour dadahter t thaha aad g ovt experice ajalease ta thoney ani s le e w.oresson thth 9--os ll neverrg >> thank y for supporting our troop. >>>>ou, too. you have a good dada tools to membebe to helphem from receiving countfeititills as welas recnding they n't acceptills larger than $202 reportrtg in costa mesa,reg lee, abc 7, eyitness news. >> very ol >> younono you can order online now. they'll end u a a nk and mail