sortMrcPlans(mrcList) {
      mrcList.sort(
        firstBy(
          (plan1, plan2) => plan1.rankId - plan2.rankId, -1
        )
        .thenBy(
          (plan1, plan2) => plan1.termMonths - plan2.termMonths, -1
        )
        .thenBy(
          (plan1, plan2) => plan1.endingMiles - plan2.endingMiles, -1
        )
        .thenBy(
          (plan1, plan2) => plan1.memberPrice - plan2.memberPrice, 1
        )
      );
    }