Skatell's, a small jewellery store with three locations, designs and manufactures much of its own jewellery while its competitors (large department stores) sell standard, " off the shelf's jewellery. As a result, many customers see, Skatell's as the place to go for unique pieces of jelwellery. Skatell's reputation for selling unique and custom designed jewellery is strength, weakness, opportunity or a threat? explain briefly.