Hi, l made an error the following should be answered when using FIFO periodic and perpetual method.

purchases units cost per unit

January 1 400 $3.00

jan 10 1300 3.10

feb 13 700 3.40

feb 27 600 3.75

sales

units cost per unit

jan 2 300 $6.00

jan 11 1,000 $6.00

feb 28 400 $6.50

thanks, this is very helpful