Answer:
The value assigned to ending inventory if Niles uses "weighted average" is $320 ( to 160 units @ $2 )
Explanation: Number of units Price per unit Total
Purchases on March 1 = 110 $1.10 $1,21
Purchases March 7 = 210 $2.10 $441
Purchases March 16 = 110 $2.70 $297
Inventory on March 31 = 160 $2.00 $320
Weighted Average Inventory value = Accumulated Value / Total Number of units
Weighted Average Inventory value = ( 121 + 441 + 297 ) / ( 110 + 210 + 110 )
Weighted Average Inventory value = 1.997674419 = $2.00