Amy, a graduate business student, helped her parents to improve their falling business volumes. Mom & Pop's, a local corner store, was suffering losses because it lacked visibility for the people new to the growing community. It was small, out of the way, badly in need of painting, and unnoticed unless one knew about it$.$ Amy painted the store, designed ads for the paper and the post office, put up signs and billboards of the store, and handed out free samples at the summer fair.Which of Schein's change agent roles did Amy perform? $($Chap$.14)$Group of answer choicesGap analyzerFreezerPair of handsDoctor$-$patientProcess consultant