Swan's Sportswear plans to launch a line of designer jeans with the help of one welll-known designer. Because of the highly competitive nature of the industry, the line of jeans has been given a code name, Stretch. Swan's market research has established a forecast shown in the following table. LOADING.... Use the table to calculate the average return for the line. Question content area bottom Part 1 The average return for the line is 4.28%. (Enter as a percent