can you explain how did they find it ?

Budgets and spend to date BudgetSpend to date If the budget for Contractors is spread equally over the months, by how much is it under-or over-spent to date? Jan-DecJan Aug 17,360 3,685 2,990 4,896 2,275 2,420 1.150 1,370 24,300 5,100 4,650 7,500 3,900 3.450 1,650 2,100 725 2,550 Salaries Benefits Contractors Once you have selected your answers). please click "Submit response" Select correct (or nearest) awer Underspent by 110$0 Research & Development Rent Office costs Travel& Accommodation Entertainment Fees to advisors Total Submit response 1,825 38,855 Budgets and spend to date BudgetSpend to date If the budget for Contractors is spread equally over the months, by how much is it under-or over-spent to date? Jan-DecJan Aug 17,360 3,685 2,990 4,896 2,275 2,420 1.150 1,370 24,300 5,100 4,650 7,500 3,900 3.450 1,650 2,100 725 2,550 Salaries Benefits Contractors Once you have selected your answers). please click "Submit response" Select correct (or nearest) awer Underspent by 110$0 Research & Development Rent Office costs Travel& Accommodation Entertainment Fees to advisors Total Submit response 1,825 38,855