Subject: Business Tax

Hosha exchanges all of her Leaf stock for Petal stock plus $5,000 cash. The exchange is pursuant to a tax-free reorganization. Hosha paid $25,000 for the Leaf stock five years ago. The Petal stock received by Hosha has an $18,000 fair market value. What is Hoshas realized and recognized gain/loss from the reorganization? Prepare your solution using spreadsheet software such as Microsoft Excel. What is Hoshas basis in the Petal stock she received?

Please try to fully explain how you solve this. Someone else posted the exact same question but I don't really understand the answer. Thank you.