Inventories (Tables)

6 Months Ended

Apr. 30, 2022

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories at April 30, 2022 and October 30, 2021 were as follows:

	April 30, 2022		October 30, 2021
Raw materials	$	85,122	$	71,639
Work in process	756,449		858,627
Finished goods	233,726		270,344
Total inventories	$	1,075,297	$	1,200,610