Braxwell Corporation acquired the following assets associated with a manufacturing facility for a lump-sum price of $9,000,000. According to independent appraisals, the fair values were $4,000,000, $2,000,000, $3,000,000, and $1,000,000 for the building, patent, land, and equipment, respectively. The initial value of the patent would be:
a. $2,000,000
b. $2,250,000
c. $1,800,000
d. $0