With the fixed costs for the upcoming year calculated, you're ready to figure out your variable costs. At the current output of 400 lawns per month, you have the following costs for your variable inputs: Gas for trucks and mowers: $2 per lawn Wages for workers: $10 per lawn (2 workers, 30 min each, $10/hour wage) Gardening supplies: $6 per lawn Based on the volume of 400 lawns per month at a rate of $40/lawn, what is your variable cost in a given month