will someone help me with problem 2 and 3

hansen supermarket purchased s radio frequency identification system for one

of its stores at a cost of 150,000 Hansen determined that the system had an expected life of seven years or (50,000,000 items scaned) and an expected residual value of 6500

2. if the number of items scanned the first and second year were 7,200,000 and 8,150,000 compute the amount of depreciation expense for the first and second year of the systems life using the units of production depreciation, method round your answer to the nearest dollar

3. compute the book values for all three depreciation messes as of the end of the first and second years of the systems life

nequired Degrecalion wiserei ber year