So what I'd like to end up with is what I've shown in Row 6. In Jan 17 (Column C) you have 1/10 of £1,000; Feb 17 (Column D) you have 1/10 of £1,000 + 1/10 1,050; Mar 17 (Column E) 1/10 £1,000 + 1/10 £1,050 + 1/10 £1,100, etc. until you get to the eleventh row when Jan 17 drops off and Nov 17 gets added, and so on.

I'd like to do this with a formula somehow please. Row 7 would represent the numbers in row 3, but spread over 8 months and row 8 would represent row 4, but spread over 5 months.

I have chosen randomly 10, 8 and 5 months, but the period could be other periods too, it's the formula I'd like to then use for all periods of spreading the amounts.

There is one more option to add into the formula, whereby the first month could be offset by one month. So in the example below in Row 6, the first £100 would appear in column D, or Feb 17, as it has been offset by 1 month.

A | B | C | D | E | F | G | H | I | J | K | L | M | I | J | K | L | M | N | O | P | Q | R | S |

1 | Months Advanced | Jan-17 | Feb-17 | Mar-17 | April-17 | May-17 | June-17 | July-17 | Aug-17 | Sept-17 | Oct-17 | Nov-17 | Dec-17 | Jan-18 | Feb-18 | Mar-18 | April-18 | ||||||

2 | 10 | 1000 | 1050 | 1100 | 1150 | 1200 | 1250 | 1300 | 1300 | 1300 | 1300 | 1300 | 1400 | 1450 | 1400 | 1500 | 1600 | ||||||

3 | 8 | 2050 | 2100 | 2400 | 2400 | 2500 | 2550 | 2500 | 2100 | 2050 | 2300 | 2100 | 2350 | 2500 | 2500 | 2500 | 2600 | ||||||

4 | 5 | 5000 | 5100 | 4500 | 5900 | 6000 | 6500 | 6000 | 5780 | 5500 | 6000 | 6100 | 5900 | 4500 | 5000 | 5100 | 5250 | ||||||

5 | |||||||||||||||||||||||

6 | 10 | 100 | 205 | 315 | 430 | 550 | 675 | 805 | 935 | 1065 | 1195 | 1225 | 1260 | 1295 | 1320 | 1350 | 1385 | ||||||

7 | 8 | ||||||||||||||||||||||

8 | 5 | ||||||||||||||||||||||

9 |

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Thank you in advance of help on this one. If what I've said does not make sense, please ask.