Answer: 720,100
Step-by-step explanation:
Given that:
Cost of building = 30600000
Avoidable interest = 604,000
Salvage value = 2400000
Useful life = 40 years
((Cost of building + Avoidable interest) - salvage value)) / 40
((30600000 + 604000) - 2400000)) / 40
= 28804000 / 40
= 720,100