elements = [A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R]

relevantElements = elements.filter (x) ->
    x isnt "Not Applicable"

if relevantElements.length == 0
    "Not Applicable"
else
    totalScore = relevantElements.reduce ((sum, x) -> sum + x), 0
    indicatorScore = (totalScore / (relevantElements.length * 10)) * 10