March / April Contest

Rosalyn Sega from Coconut Creek, FL, is the October winner – Congratulations!

You will hear people using expressions that are the names of letters, such as:
“Please do this ASAP” (as soon as possible)
“This is FYI.” (for your information)
“I went to the ATM.” (automated teller machine)

Now here’s the contest:

There is a rule about syllable stress for these expressions. Which syllable is stressed in abbreviations like these?

the first letter
the last letter
the middle letter
all letters are equally stressed