By Jon Robinson Profit at Sky Bet was slashed during its latest financial year as its operating expenses surged by almost £45m. The business behind the brand, which is owned by Flutter Entertainment, has reported a pre-tax profit of £48.9m for 2023, according to newly-filed accounts with Companies House. Its profit was hit because the firm’s operating expenses increased by £44m in the year to £310.2m due to the impact of high inflation and a rise in salary costs, the company said. The new accounts also show that revenue at the firm behind Sky Bet increased from £469.7m to £495.4m over the 12-m…