A chocolate bar manufacturing company purchased a chocolate bar machine for $360,500, which has a salvage value of 15% of its cost and a useful life of 10 years. According to the machine manufacturer, it is estimated that the machine will be able to produce a total of 95,000,000 tons of chocolate before it is replaced by another one. Determine the total depreciation and depreciation per unit produced under the following estimated production schedule:

Year	Units to be produced (in kilograms)
1	140,476,480
2	130,977,609
3	100,991,414
4	100,567,034
5	100,656,526

Show the entire procedure performed and formulas used.