Oriole Corporation uses the perpetual inventory system and began business on April $1.$ During the month Oriole made inventory purchases of $$83,400$ on terms of $\frac{2}{10},\frac{n}{30}.$ Oriole returned $$3,700$ wor th of goods during the year. Oriole made payment in time to take advantage of the offered cash discounts. Oriole sold inventory on account with a value of $$71,400$ with a markup of $30\%$ on the cost. These were the only inventory transactions during the month.