complex environment have many environment factors. For example, the dairy industry has a relatively simple external environment. Even accounting for decades-old advances in processing and automatic milking machines, milk is produced the same way today as it was 100 years ago. and although food manufacturers introduce dozens of new dairy-based products each year, U.S.milk product has grown a meager 1.25 percent per year over the last decade. in short, producing milk is a highly competitive but simple business that has experienced few changes.