Logit Industrial Co. needs to raise $105 million to fund a new office complex. The company plans on issuing 20-year bonds with a face value of $1,000 and a coupon rate of 4.5%. The following table summarizes the YTM for similar 20-year corporate bonds of various credit ratings:

Rating	AAA	AA	A	BBB	BB
YTM	4.00%	4.25%	4.50%	5.00%	6.00%

What rating must Logit receive on these bonds if they want the bonds to be issued at a premium?

AAA or AA.

AAA or AA or A.

AAA.

BBB or BB.

A.

BBB.