Pegasus Avionics makes aircraft instrumentation. Its basic navigation radio requires$$ $$60$ in variable costs and$$ $$3,000$ per month in fixed costs. Pegasus sells $10$ radios per month. If the company further processes the$$ radio, to enhance its$$ functionality, it will require an additional$$ $$27$ per unit of variable$$ costs, plus an increase in fixed costs of$$ $$270$ per month. The current sales price of the radio is$$ $$290.$ The marketing manager is sure that Pegasus can charge a higher sales price for the improved version. At what sales price level would the$$ new, improved radio begin to improve operating$$ earnings? $($Round to the nearest whole$$ dollar.$)$

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Part $1$

A$.$

at a sales price lower than$$ $$290$

B$.$

at a sales price of$$ $$290$

C$.$

at a sales price of$$ $$377$

D$.$

at a sales price higher than$$ $$344$