18. a company pays $15,00 per period to rent a small building that has 10,000 square feet of space. This cost is allocated to the company's three departments on the basis of the amount and value of the space occupied by each. Department One occupies 2,000 square feet of ground-floor space, Department Two occupies 3,000 square feet of ground-floor space, and Department Three occupies 5,000 square feet of ground-floor space, and Department Three occupies 5,000 square feet of second-floor space. If rents for comparable floor space in the neighborhood average $2.20 per square foot for groundfloor space and $1.10 per square foot for the second-floor space and the rent is allocated nased on the total value of the space, Department One should be charged rent expense for the period of:

a)$4400

b)$4000

c)$3000

d) $2200

e)$2000