Leticia went into Discount Music to price CDs. All CDs were discounted 23% off the marked price. Leticia wanted to program her calculator so she could input the marked price and the discounted price would be the output. Which of the following is an expression for the discounted price on a marked price of p dollars?

p – 0.23p
p – 0.23 p

p – 0.23
p – 0.23

p – 23p
p – 23 p

p – 23
p – 23

0.23p