Holiday laboratories purchased a high-speed industrial centrifuge at a cost of $430,000. shipping costs totaled $23,000. foundation work to house the centrifuge cost $7,500. an additional water line had to be run to the equipment at a cost of $2,600. labor and testing costs totaled $5,800. materials used up in testing cost $2,200. the capitalized cost is:

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?