Cullumber's Book Warehouse distributes hardback books to retail stores and extends credit terms of $1/10,$ n$/30$ to all of its customers.During the month of June, the following merchandising transactions occurred.June $1$ Purchased books on account for $$1,300$ from Binsfeld Publishers, terms $2/10,$ n$/30\mathrm{.}3$ Sold books on account to Reading Rainbow for $$2,800.$ The cost of the books sold was $$1,800\mathrm{.}6$ Received $$200$ credit for books returned to Binsfeld Publishers$\mathrm{.}9$ Paid Binsfeld Publishers in full$\mathrm{.}15$ Received payment in full from Reading Rainbow$\mathrm{.}17$ Sold books on account to Rapp Books for $$2,500.$ The cost of the merchandise sold was $$1,500\mathrm{.}20$Purchased books on account for $$2,500$ from McGinn Publishers, terms $1/15,$ n$/30\mathrm{.}24$Received payment in full from Rapp Books$\mathrm{.}26$Paid McGinn Publishers in full$\mathrm{.}28$Sold books on account to Baeten Bookstore for $$1,200.$ The cost of the merchandise sold was $$970\mathrm{.}30$ Granted Baeten Bookstore $$170$ credit for books returned costing $$102.$