Sifus i need help.

So am applying for a housing loan and am applying with 3 banks, A, B, C.

Bank A already approved with 3.15%

Then Bank B approved with 3.3% but banker is promising that he can appeal to 2.95% or 3%. Banker said he conlanfirm can get me 3% at the least.

Bank A chasing me to sign LO (fortunately under quarantine now so can buy time), so i told them about Bank B offer.

Now Bank A offering to appeal to 3.05% if I guarantee to accept their loan offer.

Bank C has all this info and will make a decision later today but banker said the offer rate is most likely around 3%

What do I do?

Do i hold out for Bank B?

Or do I take Bank A offer?

Developer is dangling rebates if I sign SPA by month end, so extra pressure there too.
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Some extra details

Bank B offer
2.95 ( 2.75 BR + 0.2)

Bank A offer
3.05 ( 2.56 BR + 0.49)