2) Cost of an MP3 player: \( \$ 139.99 \) Markup: \( 25 \% \) Discount: \( 10 \% \) Tax: \( 2 \% \)

Once upon a time, in the world of electronics, the humble MP3 player was more than just a gadget; it was a revolution in how we enjoyed music! Priced at \( \$139.99 \), retailers would often apply a markup of 25%. This means the cost to the retailer was about \( \$111.99 \) before that catchy little markup, making it a coveted item in many a wishlist during the early 2000s. Now, let’s make this engaging! After applying a 10% discount on the retail price, shoppers snagged a deal, knitting a smile on their faces. But wait—along comes a 2% tax! So, if one were to calculate it all, they'd walk away feeling savvy after spending around \( \$132.34 \) in total—price, discount, and tax included, all while jamming to the best tunes!