Bridgeport corp. uses a periodic inventory system. its records show the following for the month of may, in which 77 units were sold. date explanation units unit cost total cost may 1 inventory 33 $9 $297 15 purchase 25 10 250 24 purchase 42 11 462 total 100 $1,009 calculate the weighted-average unit cost. (round answer to 3 decimal places, e. g. 5.125.) weighted-average unit cost $enter the weighted-average unit cost in dollars rounded to 3 decimal places etextbook and media calculate the ending inventory at may 31 using the fifo, lifo and average-cost methods. (round answers to 0 decimal places, e. g. 125.) fifo lifo average-cost the ending inventory at may 31 $enter a dollar amount rounded to 0 decimal places $enter a dollar amount rounded to 0 decimal places $enter a dollar amount rounded to 0 decimal places