Need help correcting the General Journal.

Required Information [The following information applies to the questions displayed below.) Hospital Equipment Company (HEC) acquired several fMRI machines for its inventory at a cost of $4,100 per machine. HEC usually sells these machines to hospitals at a price of $6.440. HEC also separately sells 12 months of training and repair services for fMRI machines for $2,760. HEC is paid $6.440 cash on November 30 for the sale of an fMRI machine delivered on December 1. HEC sold the machine at its regular price, but Included one year of free training and repair service. No Answer is complete but not entirely correct. General Journal D E Date November 30 Credit ebit 4,100 Cash Equipment 4,100 December 01 RISMOENNENE 2,340 Sales Revenue Cash 2,340 3 December 01 N A 6440 Cost of Goods Sold Cash 6,440