calculate fee based on membership date

Players register at our events. I type their name in (#P1, #P2, etc.) and the function getCCCRexpire(ele) looks up their club expiration date. I want to modify function calcEntryFee to calculate the entrance fee. If the players expiration date is later than today, the fee (#E1, #E2, etc.) is $3. If the players expiration date is today or earlier, the fee is $5.

The problem is that the non-blank players with memberships expiring today or earlier don't get picked up. For example, NAME = "Jones, John" MEMBERSHIP_EXPIRES = "2017.01.12" should populate the fee with "$5" but it just leaves it blank.

A second problem is the unnecessary complexity of the function calcEntryFee. I've never seen anything this advanced or frankly obfuscated. I would sure be grateful in someone could rewrite this function and make it work correctly. I am clearly in over my head. I'm not even close to a solution.

HTML

function calcEntryFee(elem) {
  var idx, member, exDate, today, fee;

  elem = elem || {};
  if (/^[PEMX](\d+)$/.test(elem.id)) {
    idx = RegExp.$1;
  } else {
    return false;
  }

  member = getMemberData(jQuery('#P' + idx).val());
  mmfee = parseFloat(jQuery('#M' + idx).val());
  exDate = moment(member.cccrEXP, 'YYYY.MM.DD');
  today = moment();
  fee = '';

  if (!member) {
    fee = 0;
  }
  //if ( (exDate.isBefore( today ) || exDate == 0) && P1 > "") {fee = 5; } // my attempt to solve the issue. 
  if ((exDate.isBefore(today) || !member)) {
    fee = 5;
  }
  if (exDate.isSameOrAfter(today)) {
    fee = 3;
  }
  if (member.cccrEXP == "" && mmfee > 0) {
    fee = 0;
  }

  // Updates the entry fee input value.
  jQuery('#E' + idx).val(fee);

  return fee;
}

function getCCCRexpire(ele) {
  var i = null;
  for (i = 0; cccr_mems.length > i; i++) {
    if (cccr_mems[i].Name == ele.value) {
      return cccr_mems[i].cccrEXP;

    }
  }
  return;
}

for (let i = 0; i <= 48; i++) {
  $("#P" + i).on("blur", function() {
    $("#CCCR_X" + i).val(getCCCRexpire(this));
  });
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.1/moment.js"></script>
<div>
  <div><input type="text" id="P1" onblur="calcEntryFee(this);" name="N1" /></div>
  <div><input type="text" onblur="getCCCRexpire()" name="cccr_exp" id="CCCR_X1" /> </div>
  <div><input type="text" name="ef-fee" id="E1" /></div>
</div>

<div>
  <div><input type="text" id="P2" onblur="calcEntryFee(this);" name="N2" /></div>
  <div><input type="text" onblur="getCCCRexpire()" name="cccr_exp" id="CCCR_X2" /> </div>
  <div><input type="text" name="ef-fee" id="E2" /></div>
</div>

from calculate fee based on membership date