24. Note: Denise earns £2,478 per month after tax.
1: Denise and her partner's combined monthly expenses equal £3,124, which is paid for equally between the two of them. This constitutes all of their expenses.
2: Denise pays £850 per month in rent. This accounts for an absolute majority of her monthly outgoings.
How much money will Denise have at the end of the month?