XYZ Company is currently selling its single product for $15. Variable costs are estimated to remain at 70% of the current selling price and fixed costs are estimated to be $4,800 per month. If XYZ increases its selling price by 10%, its variable cost ratio will: Select one: O a. None of the given answers. O b. not change. e c, increase. O d. Cannot determine with the information given. O e, decrease. XYZ Company.incurred the following costs for the month of August when it observed an activity level of 5,000 units: Variable costs $32,500; Fixed costs $25,000; Mixed costs $21,500; Total costs $79,000. During October, the activity level was 16,000 units, and the total costs incurred were $178,000. If the activity level were expected to be 12,000 units for the month of December, what amount of total costs would be expected? Select one: O a. $160,000 b. $151,000 c. None of the answers given d. $142,000 e $169,000