1. The following data pertain to activity and costs for two recent months: Activity Level in Units Variable Costs Fixed Costs Mixed Costs Total Costs October 5,000 November 10,000 $10,000 ? $30,000 ? $20,000 ? $60,000 $75,000 If these activity levels are within the relevant range, the mixed costs for November would be: Answer: $25,000. 2. At an activity level of 10,000 units, variable costs totaled $35,000 and fixed costs totaled $20,800. If 16,000 units are produced and this activity is within the relevant range, then total costs will now be: Answer: $76,800. 3. Anaconda Mining Company shipped 9,000 tons of copper concentrate for $450,000 in March and 11,000 tons for $549,000 in April. Shipping costs for 12,000 tons to be shipped in May would be expected to be: Answer: $598,500.