Periodic inventory by three methods

Dymac Appliances uses the periodic inventory system. Details regarding the inventory of appliances at January $1,$ purchases invoices during the next $12$ months, and the inventory count at December $31$ are summarized as follows:

Model Inventory,

January $1$

Purchases

Invoices $1$st

Purchases

Invoices $2$nd

Purchases

Invoices $3$rd Inventory Count,

December $31$

A$10\_\_4$ at $ $434$ at $ $464$ at $ $495$

B$158$ at $ $904$ at $813$ at $876$ at $947$

E$603$ at $683$at $5815$ at $619$ at $635$

G$837$ at $2216$ at $2295$ at $23910$ at $2389$

J$3412$ at $6310$ at $6516$ at $7216$ at $7313$

M$902$ at $1022$ at $1043$ at $1223$ at $1245$

Q$705$ at $1514$ at $1614$ at $1667$ at $1718$