The following units of an inventory item were available for sale during the year: Beginning inventory First purchase Second purchase Third purchase {:[20" units at "$75=$1","500],[45" units at "$80=$3","600],[50" units at "$85=$4","250],[35" units at "$90=$3","150],[50" units "quad$12","500]:} Available for Sale 150 units The company uses the periodic inventory system. There are 45 units in the physical inventory at the end of the year. The value of ending inventory rounded to nearest dollar using average cost is $4.000 $8.750 $3,500 $3.750