In inventory analysis, if a company's DSI decreased from 73 to 52 days while sales remained constant, what is the percentage increase in inventory turnover ratio? (difficulty: hard)
A competitive analysis graph shows that when the intensity of rivalry in an industry increased by 25%, the average industry profitability decreased by only 5%. What does this suggest about the industry's structural characteristics? (difficulty: hard)
In funnel analysis for an e-commerce website, if the conversion rate from cart to purchase is 25% and 1000 users add items to cart, how many purchases would be expected? (difficulty: easy)