The cash surrender value and the value of any stipulated form of insurance granted under subsections (7) and (9) of K.S.A. 40-423, shall be equal provided that the amount of paid-up insurance may be taken to either the next lower or next higher dollar and the period of extended insurance may be taken to either the beginning or end of the week in which such extended insurance would otherwise expire.
K.S.A. 40-425