Fishing NaN

function fishing(input) {
    let limit = Number(input.shift());
    let moneyWon = 0;
    let moneyLost = 0;
    let ch = "";
    let fishesCounter = -1;
    let moneyLeft = 0;
    for (let i = 1; i <= limit + 1; i++) {
        let name = String(input.shift());
        if (name == "Stop"){
            break;
        }
        fishesCounter += 1;
        let weight = input.shift();
        let currentPrice = 0;
        for (let i = 0; i < name.length; i++ ){
            ch = name;
            currentPrice += ch.charCodeAt(i);
        }
        currentPrice /= weight;
        if (i % 3 == 0) {
            moneyWon += currentPrice;
        }else{
            moneyLost += currentPrice;
        }
    }
    if (fishesCounter == limit){
        console.log(`Lyubo fulfilled the quota!`);
    }
    moneyLeft = (moneyWon-moneyLost);
    if (moneyLeft < 0) {
        console.log(`Lyubo lost ${Math.abs(moneyLeft.toFixed(2))} leva today.`);
    } else {
        console.log(`Lyubo's profit from ${fishesCounter} fishes is ${moneyLeft.toFixed(2)} leva.`);
    }


}
fishing([ '3', 'catfish', '70', 'carp', '20', 'tench', '14' ]);