HOW DOES AMAZON MAKE MONEY? profesor said to look at $10$k from sec$.$

$2.$Discussion topics:

i$.$What are the drivers of sales?

ii$.$What are the drivers of operating income?

iii. Are sales and income increasing $/$decreasing and why?

iv$.$Most profitable segment product

v$.$Fastest growing segment

vi$.$How has the pandemic affected the firm?

If applicable, provide a table of operating income by product.