$2\mathrm{.}18.(3$ pts$)$ J$.$ Berger Enterprises purchased a city lot to build a shopping mall. The lot has been abandoned for $20$ years. Once, it was a site of Saicheck Plating Works, which went out of business $20$ years ago. During construction, a site investigation revealed high amounts of chromium, nickel, and cadmium in the soil. Who is financially responsible for the cleanup? Explain your reasoning.