Some of you may recall a 1973 fourth-season episode of the Brady Bunch titled Amateur Nite, in which the six kids purchase a silver platter for their parents' anniversary. Unbeknownst to her siblings, Jan orders an engraving for the platter. Unfortunately, said engraving increases the total price to well beyond their means. To earn the money, the kids make an appearance on a local TV show, The Pete Sterne Amateur Hour, in the hopes of earning the $100 first prize. Since we know you're dying to see it, here's the song they performed on the program.

Okay! Now that you've stopped singing along, here's today's Brain Game. The kids paid for the platter in advance. The price of the engraving is mentioned several times during the show: It's 85 cents a letter, and that bill (tax included) came up to $56.23. The text that follows is what appeared on the engraving:

MOM AND DAD
HAPPY ANNIVERSARY
ALL OUR LOVE
GREG MARCIA PETER JAN BOBBY CINDY

While service fees aren't taxable in some areas, they are in Bradyland. Given all the information above, can you figure out the tax rate the kids had to pay?

HERE is the solution.

THE ANSWER:

FIVE PERCENT. At 85 cents a letter, the 63 letters in the engraving would total $53.55. When subtracted from the bill total of $56.23, the leftover amount, $2.68, figures out to a 5 percent tax on the engraving charge.