A company, conducted the following transactions:

1. Purchased a building in February 2018 for $26,000,000. In March 2019, the company spent $2,000,000 to install solar panels for electricity in the building. The building was sold for $28,500,000 in 2021. The annual maintenance cost was $500,000. The cost of advertising the sale of the building and the legal fees amounted to $1,500,000.
2. A motor vehicle was purchased for $5 million on January 1, 2018. The vehicle was sold in 2021 for $4.5 million.
3. Bought an antique painting for $3.5 million in 2019. The painting was sold in 2021 for $10 million.
4. Purchased a government bond for $5,000,000 in 2018 and sold it for $7,500,000 in 2021.

The company is entitled to an Annual Exemption of $500,000. Capital losses as of 1 January 2021 were $1,500,000.

Calculate the capital gains tax in 2021, assuming a capital gains tax of 15%.