Over the last 100 years, marginal tax rates have been fluctuating constantly. Place the years in order by how high the top marginal rate was at the time. Place the year with the highest rate first.

Wang distributors has an annual demand for an airport metal detector of 1 comma 350 units. the cost of a typical detector to wang is $400. carrying cost is estimated to be 19% of the unit cost, and the ordering cost is $24 per order. if ping wang, the owner, orders in quantities of 300 or more, he can get a 10% discount on the cost of the detectors. should wang take the quantity discount? \