2nd pic is the answer of the 1st question
Solution:
Replacement at Year 0
Years | Purchase Cost ( In $) | Operating Cost ($) [ $ 150 increase after 1 year for every year ] | Discounted Value @ 11% | Discounted Value ( In $) |
0 | 7,000 | 1 | 7,000 | |
1 | 1,200 | 0.9009 | 1081.08 | |
2 | 1,350 | 0.8116 | 1095.66 | |
3 | 1,500 | 0.7311 | 1096.65 | |
4 | 1,650 | 0.6587 | 1086.85 | |
5 | 1,800 | 0.5934 | 1068.12 | |
6 | 1,950 | 0.5346 | 1042.47 | |
7 | 2,100 | 0.4816 | 1011.36 | |
7 | Trade in ( Salvage Value in $) ( net savings ) | -1,500 | 0.4816 | -722.40 |
Net Cash Outflow | 13,759.79 |
At year 0, Trade in Value of old clunker is $ 750 , Net Cash Outflow is 13,759.79-750= 13,009.79
Equivalent Annual Cost ( EAC) = Net Cash Outflow / Annuity factor = 13,009.79/4.7119 = 2,761.04
At Year 1 ( Replacement of Old clunker )
Year | Cash Inflows ( In $) Trade in Value | Operating Cost (In $) | Net Cash Flows | Discounting Factor @ 11% | Discounted Value ($) |
1 | 375 | 2400 | 2025 | 0.9009 | 1,824.32 |
Net Cash outflows ($) | 1824.32 | ||||
At year 1 new replacement
Years | Purchase Cost ( In $) | Operating Cost ($) [ $ 150 increase after 1 year for every year ] | Discounted Value @ 11% | Discounted Value ( In $) |
1 | 7,000 | 0.9009 | 6306.3 | |
2 | 1,200 | 0.8116 | 973.92 | |
3 | 1,350 | 0.7311 | 986.985 | |
4 | 1,500 | 0.6587 | 988.05 | |
5 | 1,650 | 0.5934 | 979.11 | |
6 | 1,800 | 0.5346 | 962.28 | |
7 | 1,950 | 0.4816 | 939.12 | |
8 | 2,100 | 0.4339 | 911.19 | |
8 | Trade in ( Salvage Value in $) ( net savings ) | -1,500 | 0.4339 | -650.85 |
Net Cash Outflow | 12,396.11 |
Equivalent Annual Cost (EAC) = (12,396.11+ 1824.32)/5.1458 = $ 2,763.51
Replacement at Year 2
Old clunker
Year | Cash Inflows ( In $) Trade in Value | Operating Cost (In $) | Net Cash Out Flows | Discounting Factor @ 11% | Discounted Value ($) |
1 | 0 | 2400 | 2400 | 0.9009 | 2162.16 |
2 | 150 | 3000 | 2850 | 0.8116 | 2313.12 |
Net Cash outflows ($) | 4475.28 |
At year 2 new replacement
Years | Purchase Cost ( In $) | Operating Cost in $ [ $ 150 increase every | Discounted Value @ 11% | Discounted Value ( In $) |
2 | 7,000 | 0.8116 | 5,681.20 | |
3 | 1,200 | 0.7311 | 877.32 | |
4 | 1,350 | 0.6587 | 889.245 | |
5 | 1,500 | 0.5934 | 890.1 | |
6 | 1,650 | 0.5346 | 882.09 | |
7 | 1,800 | 0.4816 | 866.88 | |
8 | 1,950 | 0.4339 | 846.105 | |
9 | 2100 | 0.3909 | 820.89 | |
9 | Trade in ( Salvage Value in $) ( net savings ) | -1,500 | 0.3909 | -586.35 |
Net Cash Outflow | 11,167.48 |
Equivalent Annual Cost ( EAC)= (11,167.48+4,475.28)/5.537= 2,825.13
Evaluation of Replacement of Old clunker into New Machine
Replacement Year | EAC ( In $) |
0 | 2,761.04 |
1 | 2,763.51 |
2 | 2,825.13 |
From the above EAC, the least cost is In the Year 0, therefore , machinery should be purchased and should be replaced now.
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