QUESTION $10$

Use the following purchase and sales log to answer the questions that follow.

$\backslash$table$[[,$Transaction,$\backslash$table$[[$Units$],[$Returned$]],\backslash$table$[[$Discount$],[$Freight per$],[$unit$]],\backslash$table$[[$Price per$],[$unit$]],],[$Beg$.$ Inv.,$20$ units @ $$5$ per unit,,,,$$5$