On May 1, 2021, Varga Tech Services signed a $15,000 consulting contract with Shaffer Holdings. The contract requires Varga to provide computer technology support services whenever requested over the period from May 1, 2021, to April 30, 2022, with Shaffer paying the entire $15,000 on May 1, 2021. How much revenue should Varga recognize in 2021? (Do not round intermediate calculation.)

How do primary and secondary industries differ

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?

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?