find the FIFO,LIFO, and WAC

ABC GOODS STORE: UNITS UNIT COST TOTAL COS Jun 1 Beg inventory 170 $33 $5610 Jun 5 Purchase 200 $40 $8000 Jun 10 Purchase 140 $30 $4200 Jun 15 Purchase 300 $55 $16500 Jun 20 Purchase 135 $25 $3375 Jun 31 Purchase 120 $20 $2400 The company sold 350 units during the month