which time shall be before the servicer initiates or engages in any foreclosure activity listed in subsection (c)(2), including incurring or charging to a borrower any fees or corporate advances related to a foreclosure, the servicer shall, in writing— (A) offer the borrower a loss mitigation option, without the charging of any fees or penalties other than interest, such that the borrower’s principal and interest payment remains the same as it was prior to the forbearance, subject to any adjustment of the index pursuant to the terms of an adjustable rate mortgage, and that either— (i) defers the payment of total arrearages, including any escrow advances, to the end of the existing term of the loan, without the charging or collection of any additional interest on the deferred amounts