Financial Maths - declining balance depreciation.
Test Yourself 1 - Solutions.
Future value. | 1. Value = $999×(1 - 25%)3 = $421.45.
So value is $420 (to the nearest $10) after 3 years? |
2. Value = $3200 × (1 - 20%)4 = $1,310.72. So value is $1,310 (to the nearest $10) after 4 years? |
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3. Value = $132000 × (1 - 22.5%)5 = $36,904.76. |
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4. (a) is a straight line graph and so is a constant amount of decline each year. (b) is like the quadrant of a circle and it starts off with a small % change which increases. So not a constant % decline as is needed. (c) is an negative exponential curve as required for a declining balance situation but the cuve does not start at t = 0 - that is at the original value on the vertical axis. (d) is the correct graph as it is negative exponential in shape and begins at $12,000 when t = 0. |
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5. Purchase price: $15,000. Salvage value = 15000 × (1 - 10%)8 = $6,457. |
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Present value. | 6. |
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Rate of depreciation. | 11. |
12. (i) The equipment reduces in value from $43,600 to $36,188. As a percentage this reduction is (ii) |
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13. (i) (ii) (iii) The boat was valued at $38,000 when David first saw it. Hence we are going back 4 years before the boat had reached that level. |
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Number of periods - Hint: use guess and check. |
14. A PS4 console was purchased for $1400 a number of years ago. It is now valued at $400 after depreciating at a declining balance rate of 23% per year. Approximately how many years ago was the PS4 purchased? Answer. Purchased about 5 years ago. |
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