Viper Avionics makes aircraft instrumentation. Its basic navigation radio requires $ 60 in variable costs and $ 2 comma 000 per month in fixed costs. Further processing the radio, to enhance its functionality, will require an additional $ 25 per unit of variable costs, plus an increase in fixed costs of $ 800 per month. The marketing manager believes that they would be able to increase the sales price of the radio from $ 260 to $ 300. Viper sells 30 radios per month. If Viper decides to further process the radio, monthly operating income would: Question content area bottom Part 1 A. decrease by $ 3 comma 350 B. increase by $ 3 comma 350 C. increase by $ 1 comma 200 D. decrease by $ 350