Excel question - PPMT Function on Actual/360 loan?

Can the PPMT function be made to work on actual/360 deals?

When i break out the total interest and principal by month for an actual 360 deal, it doesn't total what the total payment should be and I'm 99% certain the total P&I payment and the interest payment is correct (b/c i can reconcile the interest by hand over the number of days)

Here's my formula: =PPMT(Rate/360*(Payment Date - Last Payment Date),Period #,Am,-Loan Amount)

I suppose I could just make it equal to the P&I payment less the Interest payment

Someone please help me figure this out though!

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