Based on this model, firms earn revenue whenfirms purchaselabor and capital in markets for goods and services. suppose janet earns $825 per week working as a doctor for the medical clinic. she uses $10 to get her car washed at spotless car wash. spotless car wash pays felix $400 per week to wash cars. felix uses $150 to purchase medical services from the medical clinic. identify whether each of the following events in this scenario occurs in the market for factors of production or the market for goods and services. event market for factors of production market for goods and services janet spends $10 to get her car washed. janet earns $825 per week working for the medical clinic. felix spends $150 to purchase medical services from the medical clinic.