a mining company accidentally causes a series of chemicals to spill from its mine into a local river used as a municipal water source. in response to the chemical spill, and purely to proactively mitigate its exposure for legal damages due to the spill if the residents sue the company, the mining company pays the local municipality $1 million to cover some of the cost of importing fresh water and $500,000 for health exams offered to the municipality's schoolchildren for free. how much did the mining company spend on corporate social responsibility?