E xercise 2-27 The sales staff of Central Media (a locally owned radio and cable television station) consists of two salespeople, Derek and Lawanna. During March, the following salaries and commissions IVE Cost Assignment were paid: Derek Lawanna $30,000 1,500 $25,000 Salaries Commissions 6,000 selling advertising. Lawanna spends two-thirds of her time one-third on administrative work. Commissions are paid only on sales selling Derek spends 100)% of his time advertising and the remaining Required . Accumulate these costs by account by filling in the following table: SalariesC Cost Commissions Derek Lawanna Total 2. Asign the costs of salaries and commissions to selling expense and administrative expense by filling in the following table: Cost Selling Costs Administrative Costs Derek's salary Lawanna's salary Derek's commissions Lawanna's commissions Total