Answer:
External Factors, Natural Factors, Weather Related Factors, and Internal Factors
Step-by-step explanation:
External factors include economic health, market stability, etc.
Natural factors, such as weather-related disasters.eg.Hurricanes, storms etc.
Internal factors include the marketing effort behind the company's product line, pricing, and payment options made available to the customer.
These factors affect revenue both positively and negatively.
Hope this helps!!