Can someone help me with these problems?

SmokeCity, Inc., manufactures barbeque smokers. Based on past experience, SmokeCity has found that its total annual overhead costs can be represented by the following formula: Overhead cost =$526,205+$1.46X, where X equals number of smokers. Last year, 5mokeCity produced 19,10 smokers. Actual overhead costs for the year were as expected. Required: 1. What is the driver for the overhead activity? For questions 2-4, Enter the final answers rounded to the nearest dollar. 2. What is the total overhead cost incurred by Smokecity last year? 3. What is the total fixed overhead cost incurred by Smokecity last year? 4. What is the total variable overhead cost incurred by Smokecity last year? per unit 8. Recalculate Requirements 5,6 , and 7 for the following levels of production: (a) 18,700 units and (b) 20,400 units. Round your answers to the nearest cent. The reason the unit costs chanoed in the way they did is because