need exel sheet for lot calculation

my first buy lot is 1.00 having sl 10 pips
second sell lot is for 15 pips breckeven 0.67 or 20 pips breckeven 0.5
thired buy lot is for 15 pips breckeven = 1.12 or 20 pips braceven 0.75

for orther lot calculation i want an excel sheet . i m not expert to use excel . pleace any one help me

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