What happens to supply when input costs go up? it increases because the good becomes cheaper to produce. it increases because the good becomes more expensive to produce. it decreases because consumers find a substitute product. it decreases because the good becomes more expensive to produce?

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