Two dollars for the first minute, fifty cents for each additional minute.

Marge: Bart, watch Maggie while I get the laundry.

Bart: Can do. Hmm, Krusty Hotline.

Krusty the Clown: Hi, kids! You've reached the Krusty Hotline. If you haven't asked your parents' permission-- naughty, naughty, but Krusty forgives you. Two dollars for the first minute, fifty cents for each additional minute. Huahahahahaha! Thanks for calling, kids. A new message every day.