Ben Cohen and Jerry Greenfield were childhood friends who opened Ben & Jerry's in 1978, in a renovated gas station in Burlington, Vermont. They started after taking a $5 correspondence course on how to make ice cream. They ran it as a partnership, two owners sharing responsibility for everything: making the ice cream, selling it, paying the bills, and keeping the shop open. Like most partners, they split the work by what each was better at. Jerry handled making the ice cream. Ben took the business and selling side. As partners, both shared primary responsibility for the whole business.
Suppose Jerry had opened the shop alone as a sole proprietor instead of partnering with Ben. As the only owner, what would his responsibilities most likely look like?