The Cash Flow yield methodology used to analyze Residential Mortgage Backed Securities $($RMBS$)$ makes which of the following assumptions?

Group of answer choices

$[$A$]$ All the cash flows can be reinvested at a rate equal to the cash flow yield.

$[$B$]$ The RMBS is held to the maturity date.

$[$C$]$ The prepayment speed used to project the cash flow will be realized.

$[$D$]$ All of the above.