ron Throne black is one of the most popular colors, at Cristiano Ronaldo's boutique publishing company. Iron Throne black is a specialty ink that has an annual demand of $50,000$ gallons.

The ordering cost is $$50$ per order.

The holding cost is $$5$ per unit per year.

Per Ronaldo's purchasing manager, Taylor Kelce, the economic order quantity is $1,000.$ During the Ronaldo Publishing year, the managers used $1,000$ as the order quantity.

Taylor Kelce decided to perform an audit to be sure the numbers used in making decisions were accurate.

An audit of the costs revealed:

that the ordering cost was only $$25.$

that the holding cost was doubled $($at $$10$ per unit per year$).$

and that the correct order quantity should have been $500.$

How much did Ronaldo lose due to incorrect cost information during the year?