4) Compute the average on-hand inventory and average backorder level based on the daily inventory records of the item below Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 191 20 21 22 Observed Order Order On-hand Observed Order Order Day On-hand Backorder Demand Placed arrived Backorder inventory Demand Placed arrived inventory 8 242 0 23 24 250 196) 0 8 234 0 24 39 157 0 1 233 25 34 123 0 22 211 0 261 19 104 0 14 197 0 27 29 250 75 13 184 o 28 18 57 o 53 131 0 29 10 47 o 29 102 0 30 3 44 0 11 250 91 0 31 11 33 0 46 45 0 32 11 250 272 0 39 6 0 33 290 243 0 42 0 36 34 20 2231 0 0 0 36 35 30 1931 0 27 250 187 0 36 26 1671 o 23 164 O 371 20 1471 23 141 0 38 16 131 0 22 119 0 39 22 1091 27 250 92 0 40 16 250 93 0 161 761 0 41 8 85 0 40 36 0 42 41 81 0 37 0 1 43 24 57 0 29 0 30 44 17 401 0 45 27 250 263 0 46 16 2471 47 12 235 o TOTAL 10151 5913