Answer them, the city says. The researchers won't be asking for a specific dollar amountâthey'll just want to know if you make above or below a threshold that will be based on your household size. The city of Cadillac issued a reminder this week that Lake Superior State University researchers will be surveying a random selection of residents. The research could help the city update demographic information that could help the city qualify for funding. Recently, the city wasn't eligible for outside funding because the city didn't qualify as a low-income community. The survey will take one to two minutes and will be anonymous.