From the following list, calculate the total environmental internal failure costs.

Auditing environmental risks $ 25 000

Auditing supplier performance $ 50 000

Employee medical costs following a chemical spillage $ 5000

Fines for environmental demage $ 20 000

Cost of cleaning up plant following a leakage $ 30 000

Costs to reduce pollutants during manufacture $ 100 000

Cost of employee training $ 50 000

Depreciation of testing equipment $ 20 000

Cost of supplies used in testing and monitoring $ 10 000

Estimated lost sales revenue $ 500 000

Cost of occupational health and safety claims $ 10 000

Cost of cleaning up polluted sites $ 100 000