Data table Airborne's relevant range is sales of between $135,000 and $690,000 Read the reguirements. Requirement 1. Prepare contribution margin income statements at sales levels of $230,000 and $480,000. (Hint. Use the contribution margin ratio) Begin by preparing the contribution margin income statement at the $230,000 level. (Round the variabfof expense rate to the nearest whole percent. Requirement 2. Compute breakevon salos in dollars Bogin ty idontifying the foemula to compute the broaknoves sases in dollars Compuho breakmon sales in doilars The breakeven sales in dollars is