The picketts have lived in their house for about 13 years. they like to keep a well-maintained property and have noticed that the paint on the exterior of their house is starting to peel. they get two bids for painting services from two different contractors. based on the fee schedule below, which option would be the cheapest and by how much?

Leading guitar string producer wound up inc. has enjoyed a competitive advantage based on its proprietary coating that gives its strings a clearer sound and longer lifespan than uncoated strings. one of wound up's competitors, however, has recently developed a similar coating using less expensive ingredients, which allows it to charge a lower price than wound up for similar-quality strings. wound up's competitive advantage is in danger due to a. a lack of perceived value b. a lack of organization c. direct imitation and substitution d. resource immobility