In Great Western Trail, the cowboy travels along the trail through many hardships and finally reaches Kansas City: When executing Kansas City's 5-step fixed settlement process, if there are duplicate cow cards of the same suit in hand, can one first use an auxiliary action on the personal board (for example, discarding cows of the same suit to exchange for 2 dollars) to turn useless cards into money, and then execute step 4 to calculate the total value of the different cow cards in hand?