OfficeMart has found an error in its data. The percentage of selling and administrative overhead attributable to processing orders should be changed to $25\%$ from $45\%$ and the percentage attributable to supporting customers should be changed to $45\%$ from $25\%.$Chapter $7$:Applying Excel DataManufacturing overhead $500,000$ Selling and administrative overhead $300,000$ Assembling Units Processing Orders Supporting Customers Other Manufacturing overhead $50\%35\%5\%10\%$ Selling and administrative overhead $10\%25\%45\%20\%$ Total activity $1,000250100$ units orders customers OfficeMart orders: Customers $1$ customer Orders $14$ orders Number of filing cabinets ordered in total $80$ units Selling price $595$ Direct materials $180$ Direct labor $50($a$)$ Based on new number of orders in Requirement $2,$ what is the customer margin under activity$-$based costing when the data are corrected? $($Enter a loss as a negative amount.$)($b$)$ Based on new number of orders in Requirement $2,$ what is the product margin under the traditional costing system when the data are corrected? $($Enter a loss as a negative amount.$)($c$)$ Which of the following statements are true about what happens when the percentage of selling and administrative overhead attributable to processing orders declines and the percentage of selling and administrative overhead attributable to supporting customers increases by the same amount? $($You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.$)$