Please answer ASAP.

Margent Ltd inventory activity for June is shown below. Margent uses a perpetual inventory system: Date Transaction Units Unit cost Total cost 1 April Beginning inventory 42 $45 $1,890 7 April Purchase 52 $48 $2,496 9 April Sale 60 14 April Purchase 45 $50 $2,250 30 April Sale 50 Required: a. Calculate the ending inventory and cost of each sales under the FIFO method. [5 marks] b. Calculate the ending inventory and cost of each sales under the weighted average method. [5 marks] [Total for Question 26 = 10 marks]