Perform the following exercise using the Perpetual Inventory methods with their respective entries, T$\text{'}$s of greatest and calculation of gross profit

$1.$ We start business with the following values

Box $$300,000$

Warehouse $$600,000$

Furniture $$230,000$

$2.$ When selling merchandise for $$500,000$ in cash, we grant a discount of $$50,000,$ the cost of the sale is $$300,000.$

$3.$ When purchasing merchandise for $$600,000$ paid by check, we are granted a discount of $$30,000$

$4.$ Previous purchases caused shipping costs of $$15,000$ that were owed

$5.$ They returned merchandise with a cost of $$100,000$ that we had sold for $$150,000$ for this same amount we gave merchandise with a cost of $$110,000$

$6.$ We returned merchandise for $$40,000$ and they gave us merchandise for this same amount

$7.$ Make the corresponding adjustment and transfer entries.