# Business

- Car Wash Profit - Calculate the net profit from running a car wash business after accounting for all expenses incurred.
- Car Wash Profit Calculator - Calculate profit from car washing by inputting the base price per car, cost per car, and total number of cars. Ensure base price and cost are positive, and number of cars isn't negative.
- MRR - Calculate Monthly Recurring Revenue (MRR) using the monthly revenue and churn rate.
- Marginal Cost - The marginal cost (MC) is the change in the total cost resulting from a one-unit change in quantity. This calculator helps find the per-unit cost of producing additional units.