(20 points) A virtual memory scheme is using the following layout: Each frame is 8000 Bytes. Three users are using an editor. The editor is shared and uses 21000 Bytes. Its three pages are A B and C. User 1 is editing a 14000 Byte file, its pages are D and E. User B is editing a 7000 Byte file, it uses page F, user C is editing a 7500-byte file, it uses page G. The layout of physical memory is as shown. Sample answers are given. Please fill in empty pages, give their frame numbers to the left. Fill in the frame/Valid invalid tables. Frame A 0 6 Monitor Frame Frame B 1 Monitor C F 2 D 3 D E F G C 4 Free Logical Mem User 3 5 Logical Mem User 1 F V Logical Mem User 2 F V 6 A FV 6 v Physical Memory