Please help and if possible explain a bit. Would help greatly.

Scrambled simple accounting problems 1) Boulder Corp. has the following assets: Buildings and Equipment (net) Trade Receivables Inventory Land $12,500,000 1,600,000 2,300,000 1,500,000 The total amount reported under Property, plant, and Equipment would be $17,900,000. $14,000,000 $16,300,000 $20,500,000 The cost of a depreciable long-lived asset is expensed c in the period in which it is disposed of. when it is paid for. as the asset benefits the company. in the period in which it is acquired. Units-of-production is an appropriate depreciation method to use when it is impossible to determine the productivity of the asset. the asset's use will be constant over its useful life. the asset's use varies significantly from one period to another. the company is a manufacturing company. o