Bonita Industries's variance report for the purchasing department reports 1700 units of material A purchased and 2800 units of material B purchased. It also reports standard prices of $2 for Material A and $3 for Material B. Actual prices reported are $2.10 for Material A and $2.80 for Material B. Bonita should report a total price variance of $390 U. O $450 F. $390 F. 0 $450U. A company is considering purchasing a machine that costs $216000 and is estimated to have no salvage value at the end of its 8-year useful life. If the machine is purchased, annual revenues are expected to be $100000 and annual operating expenses exclusive of depreciation expense are expected to be $38000. The straight-line method of depreciation would be used. If the machine is purchased, the annual rate of return expected on this machine is O 16.20%. O 57.40% O 32.41%. O 28.70%