A Building Is $120$ Ft By Is $60$ Ft By Is $10$ Ft High Estimate the Cost of Heating the Building at a Ft

Multiple Choice

A building is $120$ ft. by $60$ ft. by $10$ ft. high. Estimate the cost of heating the building at a rate of $ $20$ per $1,000 \mathrm { ft }$ ³.

A) $10,800.00
B) $8,640.00
C) $1,440.00
D) $72.00
E) $336.00