"primary expenses" is correct and usable in written English.
You can use it to refer to the most important or essential expenses of a business or individual. For example, "The company has to reduce its primary expenses if it wants to stay in the black this quarter."
Their mortgage, about $650 a month, health insurance and land taxes are their primary expenses.
Unlike Mr. Bloomberg, who is financing his campaign with a piece of his own fortune, the Democrats have only $2 million to $3 million to spend on television because they are honoring a $5.5 million spending cap on their overall primary expenses in return for help from the city to pay for their campaigns.
I didn't pore over every bill, I just rounded off all our primary expenses, and multiplied each one by 12 (we spent about $8,400 on health insurance, $9,600 on our mortgage and home equity loan, $7,200 on groceries and household items, and so forth).
"The classification of some general election expenses as primary expenses is a reporting error, and will be fixed on the next report," said Mac Zilber, a Hall campaign consultant.
Hospitals are 'people-driven' and their primary expenses are labour costs.
The league's primary expense is player salaries.
Nineteen states were spending more than they had budgeted, with Medicaid the primary expense, and seven other states predicted that overspending was likely.
The group has spent roughly £1,500 on the campaign in the past three years – with the printing of factsheets and letters their primary expense.
For many of the largest nonprofits, fundraising is a primary expense.
labor is our primary expense, and the only cost directly associated with sales.
Federal law prohibits candidates from using money that they raised for their general election to pay for primary race expenses.
