Percentages not showing correctly

SteveT1811

New Member
Joined
Oct 2, 2019
Messages
1
Hi,

First post so apologies if this has been answered before, I have a margin calculator at take into account a yearly or monthly cost, a possible install and then a sell cost, this then works out a yearly percentage of margin, for 3 years. However the percentages are incorrect and I cant find where the error is. AN example and screenshot is below

Monthly Cost £403.84 (£4846.08 per annum)
Monthly Charge £484.60 (£5815.20 per annum)
The percentage of the margin is 20% (£403.84 x 1.2 =£484.60)

The excel book is showing this as a margin percentage of 16.67% and I cant figure out from the formula where it is wrong (the formula was created by someone else who is no longer with the company)

I have included the detail below the supplier is in column 8B and the formula for column J8 is below

=IFERROR(SUM(((I8*12)+(H8))-(E8+(F8*12)+(G8)))/((I8*12)+(H8)), 0)


COSTS / BUYPRICE / SELL
ITEMSupplierProduct / ITEMTerm MonthsANY NON RECURRING CHARGEANY MONTHLY RECURRING CHARGE(s)ANY ANNUAL RECURRING CHARGE(s)NON RECURRING CHARGEMONTHLY RECURRING CHARGETOTAL FIRST YEAR MARGINTOTAL SECOND YEAR CUMLATIVE MARGINTOTAL THIRD YEAR CUMLATIVE MARGINTERM MARGIN @ 36 MONTHSTCV £PROFIT over TERM
1Vodafone50/10036 £0.00£4,846.08£0.00£484.6016.67%16.67%16.67%16.67%£17,445.60£2,907.36

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jasonb75

Well-known Member
Joined
Dec 30, 2008
Messages
12,694
Office Version
  1. 365
Platform
  1. Windows
The formula is not wrong, your margin is 16.666667%, your mark up is 20%.

Mark up = profit as percentage of cost price.
Margin = profit as percentage of sale price.
 

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