Quick Book inventory question

As a part of your job, you are asked to find the book inventory @ retail and @ cost with the following data from May.

•                                                                                   Cost                                   Retail       
• Opening inventory                                                     $44,800                            $62,400
• Net purchases                                                           13,116                                29,710
• Freight                                                                          160
• Net transfers out (use as reduction)                      244                                         718
• Gross sales                                                                                                             28,368
• Customer returns                                                                                                 3,134
• Net markdowns                                                                                                   1,724
• Employee discounts                                                                                            265