Cost Price (N) = 60000
Salvage value (N) = 18000
Annual depreciation (N) = 4200
Useful life (Years) = 10
The formula to calculate the total depreciation is:
Total depreciation = (Cost Price - Salvage value) / Useful life
Now, let's plug in the values:
Total depreciation = (60000 - 18000) / 10
Total depreciation = 42000 / 10
Total depreciation = 4200
Therefore, the total depreciation represented by Z in the table is N 42,000.