Malmo Avionics makes aircraft instrumentation. Its basic navigation radio requires $60 in variable costs and $5,000 per month in fixed costs. Further processing the radio, to enhance its functionality, will require an additional $28 per unit of variable costs, plus an increase in fixed costs of $290 per month. The marketing manager believes that they would be able to increase the sales price of the radio from $290 to $310. Malmo sells 45 radios per month. If Malmo decides to further process the radio, monthly operating income would . (Round any intermediate calculations to the nearest cent, and your final answer to the nearest dollar.)