Stop and shop paid the following amount for soup cans in each different time of period .

begining inventory 400 soup can $1.05 each

march 450 soup cans $ 1.25 each

july 500 soup cans $ 1.40 each

november 575 soup cans $ 1.55 each

if there are 650 cans left in inventory then find the inventory value by using each method