Please help! Its urgent!

I keep getting 2.75

An oil company is buying a semi-submersible oil rig for $15 million. Additionally, it will cost $1.5 million to move the oil rig to the oil field and to prepare it for operations. If it is depreciated over six years using straight-line depreciation, what are the yearly depreciation expenses in this case? O A. $2.5 million OB. $2.8 million OC. 53.0 million OD. $2.3 million