trying to figure out with this 2 task and can't solve it

need help

thank you

LION2. Standard cost (for one urit of Lion2) Actual resuits for tast month (750 units of LiON2 produced and sold) Required a. Calculate total direct material vanance and its two components (pnce and usage variances) for the last month b. Calculate total direct labour vanance and its two components (rate and efficiency varlances) for the last month c. suggest possible reasons for these vanances SOUND Distribution markets CDs of the performing antst Mariynn. Duning October, SOUND made the folowng purchases of Maralyn's CDs purchased: Units sold during October 12001 At the beginning of October, SOUND had an opening inventory 2001 units with a unit cost of 57 Required: a. Determine the cost of goods available for sale. b. Determine the closing inventory and the cost of goods sold under the FIFO and the weighted average (AVCO) method. For AVCO, appty a penodic inventory system approach