How can this forecasting problem be solved if done by hand instead of excel? What equations must be solved?? Show work please thank you so much!

| S | L | R=S/L | AVG R FOR EACHQ | F-L*QUATERLY INDEX | S-F | |||
| SALES | LINE | RATIO | INDEX | FORECAST | ERROR | |||
| 2007.0 | Q1 |
1 |
4800 | 4235.900 | 1.133 | 11 | 4776.7 | 23.27 |
| 2007.0 | Q2 | 2 | 3500 | 4032.400 | 0.68 | 0.9 | 346.3 | 31.74 |
| 2007.0 | Q3 | 3 | 4300 | 3828.900 | 1123 | 12 | 4480.7 | -180.72 |
| 2007.0 | Q4 | 4 | 3000 | 3625.400 | 0.827 | 0.8 | 3060.2 | -60.16 |
| 2008.0 | Q1 | 5 | 3500 | 3421.900 | 1161 | 12 | 3528.1 | -358.80 |
| 2008.0 | Q2 | 6 | 2700 | 321.400 | 0.839 | 0.9 | 2768.1 | -68.14 |
| 2008.0 | Q3 | 7 | 3500 | 3014.900 | 1161 | 2 | 3528.1 | -28.15 |
| 2008.0 | Q4 | 8 | 2400 | 211.400 | 0.854 | 0.8 | 2373.1 | 26.93 |
| 2009.0 | Q1 | 9 | 3200 | 2607.900 | 1227 | 1 | 2940.9 | 259.13 |
| 2009.0 | Q2 | 10 | 2100 | 2404.400 | 0.73 | 0.9 | 206. | 31.98 |
| 2009.0 | Q3 | 11 | 2700 | 2200.900 | 1227 | 12 | 2575.6 | 124.43 |
| 2009.0 | Q4 | 12 | 1700 | 1997.400 | 0.851 | 0.8 | 1686.0 | 14.02 |
| 2010 | Q1 | 13 | 1793.900 | 11 | 2022.9 | |||
| 2010.0 | Q2 | 14 | 1590.400 | 0.9 | 1367.9 | |||
| 2010.0 | Q3 | 15 | 113.400 | 0.8 | 998.9 | |||
| 2010 | Q4 | 16 | 113.400 | 0.8 | 998.9![]() |
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How can this forecasting problem be solved if done by hand instead of excel? What equations...
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Zeus Computer Chips, Inc., used to have major contracts to produce the Centrino-type chips. The market has been declining during the past three years because of the dual-core chips, which it cannot produce, so Zeus has the unpleasant task of forecasting next year. The task is unpleasant because the firm has not been able to find replacement chips for its production lines. Here is demand over the past 12 quarters: TWO YEARS AGO UNITS LAST YEAR UNITS THIS YEAR UNITS...
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The Bubble Up
Bottling Company of Budapest, Hungary, is interested in forecasting
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Can you use excel and take a picture of the formulas used after
you are done
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please
see the problem and set it in the excel. please provide the formula
in every cell in the excel so i understand how it is done.
thank you very much.
the last pic is what i did so far. so please refer to the
problem and complete it with all formulas provided for me( for
every cell)
thank you!
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ACCOUNTING Format for excel assignment :
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