$[$The following information applies to the questions displayed below.$]$ Heartland Airways operates commuter flights in three states. Due to a political convention held in Topeka, the airline added several extra flights during a two$-$week period. Additional cabin crews were hired on a temporary basis. However, rather than hiring additional flight attendants, the airline used its current attendants on overtime. Ushanti Gaines worked the following schedule on August $10.$ All of Gaines$$s flights on that day were extra flights that the airline would not normally fly. Regular time: $2$ round$-$trip flights between Topeka and St$.$ Louis $(8$ hours$)$ Overtime: $1$ one$-$way flight from Topeka to Kansas City $(4$ hours$)$ Gaines earns $$12$ per hour and is paid time and a half when working overtime. Fringe benefits cost the airline $$3$ per hour for any hour worked, regardless of whether it is a regular or overtime hour. $3.$ How should the cost computed in requirement $2$ be treated for cost accounting purposes? Multiple Choice The overtime premium should be included in direct cost and allocated across all of the company's flights The overtime premium should be considered a direct cost and charged directly to the specific company flights. The overtime premium should be included in overhead and allocated across all of the company's flights $4-$a$.$ What type of cost is the $$74?$ multiple choice $1$ Out$-$of$-$pocket cost Average cost Marginal cost Opportunity cost Differential cost Sunk cost $4-$b$.$ To what flight, if any, is it chargeable? multiple choice $2$ August $11$ flight August $10$ flight Neither flight $1.$ Compute the direct cost of compensating Gaines for her services on the flight from Topeka to Kansas City. Direct cost$2.$ Compute the cost of Gaines's services that is an indirect cost.