camellia, a merchandising company, has provided the following extracts from their budget for the first quarter of the forthcoming year:
jan feb march
sales (20% cash) $ 450,000 $ 600,000 $ 900,000
the company collects 70% of credit sales in the same month and the balance in the next month. calculate the collections from the customers for the month of february.

Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.