Bramble Corp. typically sells subscriptions on an annual basis, and publishes 8 times a year. The magazine sells 59200 subscriptions in January at $8 each. What entry is made in January to record the sale of the subscriptions

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?