Example 2: If an item sells for $21.00 and has a markup of 50%, what is its cost? What is the margin?
| Keystrokes | Display |
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21 |
| 21.00 | Selling price. |
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1 | 50 | 50.00 | Markup (%). |
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| 14.00 | Cost. |
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50 |
| 50.00 |
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1 |
| 33.33 | Margin (%). |
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The following HP 12C program may be helpful for repetitive calculations of selling price and costs as well as conversions between markup and margin.
KEYSTROKES |
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| DISPLAY | |
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CLEAR |
| 00- |
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| 01- |
| 36 |
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04 |
| 04 | ||
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| 03- |
| 16 |
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1 |
| 04- |
| 1 |
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| 05- |
| 34 |
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| 06- |
| 25 |
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| 07- |
| 40 |
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| 08- |
| 10 |
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| 09- |
| 31 |
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| 10- | 43 | 36 |
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| 11- |
| 20 |
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| 12- | 43 | 36 |
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| 13- |
| 20 |
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| 00 | ||
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| REGISTERS |
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n: Unused |
| i: Unused |
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PV: Unused |
| PMT: Unused |
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94