A statistician collected data on the monthly expenses of 10 households over a year. The recorded expenses for the first six months are in thousands of dollars as follows:
January: 2.5, February: 3.0, March: 2.1, April: 2.9, May: 3.5, June: 2.7.
Calculate the median of the monthly expenses for the first six months. Which of the following values will be the median of these expenses?