Examples
Examples
Try the starting example
- Lots: name, reserve $, highest supplied bid $, direct preparation cash cost $
- A,50,100,20 B,100,80,10
- Fee on bids meeting reserve (%)
- 10
- Net cash by lot under supplied reserve rule ($)
- A: 70.00; B: -10.00
- Total lot net cash ($)
- $60.00
- Lots whose bids meet reserve
- 1
- Lots below reserve
- B
Try another scenario
- Lots: name, reserve $, highest supplied bid $, direct preparation cash cost $
- A,50,100,20 B,100,120,10
- Fee on bids meeting reserve (%)
- 10
- Net cash by lot under supplied reserve rule ($)
- A: 70.00; B: 98.00
- Total lot net cash ($)
- $168.00
- Lots whose bids meet reserve
- 2
- Lots below reserve
- None
Calculation method
Calculation method
Net cash by lot under supplied reserve rule ($)
If bid≥reserve, bid−rounded bid fee−preparation cost. Otherwise receive zero bid cash but retain preparation cost.
Total lot net cash ($)
Sum signed lot cash.
Lots whose bids meet reserve
Count bids meeting or exceeding the entered reserve.
Lots below reserve
List below-reserve lot names; no sale is assumed for them.
Symbols and units
- a
- Lots: name, reserve $, highest supplied bid $, direct preparation cash cost $
- b
- Fee on bids meeting reserve (%)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- A supplied-bid cash illustration, excluding buyer premiums, sales tax, payment failures and noncash donated-lot values. Meeting a numeric reserve is not a completed sale.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.
Further reading
Charity Commission: funds and reserves background; no universal reserve target ↗
Background reading; this does not imply endorsement or independent review of SumFizz.