TieredProfitSplitter.sol

pragma solidity ^0.5.0;

// lvl 2: tiered split
contract TieredProfitSplitter {
    address payable employee_one; // ceo
    address payable employee_two; // cto
    address payable employee_three; // bob

    constructor(address payable _one, address payable _two, address payable _three) public {
        employee_one = _one;
        employee_two = _two;
        employee_three = _three;
    }

    // Should always return 0!
    function balance() public view returns(uint) {
        return address(this).balance;
    }

    function deposit() public payable {
        uint points = msg.value / 100;
        uint total;
        uint amount;

        amount = points * 60; // "60%" distribution
        total += amount;
        employee_one.transfer(amount);

        amount = points * 25; // "25%" distribution
        total += amount;
        employee_two.transfer(amount);

        amount = points * 15; // "15%" distribution
        total += amount;
        employee_three.transfer(amount);

        employee_one.transfer(msg.value - total); // ceo gets the remaining wei
    }

    function() external payable {
        deposit();
    }
}