3. OfficeMart has found an error in its data. The percentage of selling and administrative overhead attributable to processing orders should be changed to 30% from 45% and the percentage attributable to supporting customers should be changed to 40% from 25% (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.) Answer is complete but not entirely correct. (c) Which of the following statements are true about what happens when the percentage of selling and administrative ove.tead 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.) When the percentage of selling and administrative overhead attributable to processing orders declines and the percentage of selling and administratve overhead attributable to supporting customers increases by the same amount, costs are shitted from the processing orders cost pool to the supporting custemers cost pool. When the percentage of selling and administrative overhead attributable to processing orders declines and the percentage of seling and administrative overhead attributable to supporting customers increases by the same amount, costs will be shifted from customers who order more frequently to those who order less frequently. When the percentage of seling and administrative ovemead atributable to processing orders declines and the percentage of selling and administrative overhead attributable to supporting customers increases by the same amount, the customer margins of those who order more frequently will increase relative to the customer margins of those who order less frequently