A company is determining whether to renovate a commercial building they own, into high$-$end apartments. They purchased the building and real estate five years ago for $$1\mathrm{.}5$ million. They estimate that the renovations will cost $$1\mathrm{.}75$ to complete. Required zoning improvements and building permits are estimated to be $$150,000.$ Accounting, marketing, and legal fees are estimated to be $$280,000$ to do this project. What is the sunk costs when deciding if they should do this project?

Group of answer choices

$$150,000$ for required zoning improvements and building permits

The $$280,000$ for accounting, marketing and legal fees

The $$1\mathrm{.}75$ million to complete the renovations

The $$1\mathrm{.}5$ million they paid five years ago for the building and real estate