pls solve

During the current year, Peach Industries' reports sales of $184,000 and an average sale period of 50 days. The inventory balance is $11,000 at the beginning of the year and $13.000 at the end of the year. What is Peach's gross margin percentage? Round to one decimal point. 42.8% 44.5% 47.6% 52.4% 56.2%