pls help!

A company purchases a 20,040-square-foot building for $750,000. The building has two separate rental units. Unit A, which has the desirable location on the corner and contains 6,680 square feet, will be rented for $2.00 per square foot. Unit B contains 13,360 square feet and will be rented for $1.50 per square foot. Compute the amount of joint cost that should be allocated to Unit B using the value basis of allocation: Multiple Choice $300,000 $487,500 $500,000 $600,000. $450,000