spouse visa - Financial requirement; do i need to show all the jobs

[Ris]

Hey greetings for they day..
Struggling wd the uk spouse visa application in regard to financial requirements. Our situation is like working as under cis construction scheme for 2 months as self employed den 2 months at heathrow but couldnt able to continue so again after 2 months of employed shifted to self employed so nearly she made close to 18600 combining from both income can we show 2 months heathrow and combine both ? Self employed n employed.