Grandma buys groceries

There are 40 cards in the game, and there are 7 chips each for A, B, C, and D.
First draw 4 cards on the field
2. The game starts
a. A random player will be the first player, and then the game will be executed clockwise.
b. Players can only perform one of the following three actions each round. The total number of chips in the player's hand is capped at 10, and the number of cards is unlimited.
①Take 3 chips of different colors
② Take 2 chips of the same color. If there are less than 2 chips of the same color, you can only perform ①
③When you have enough chips (chips in hand + the number of chips that can be permanently reduced), you can purchase the card. You need to pay the number of chips marked on the card to obtain the card.
c. Complete the deck with 4 cards
d. When the total score of any player's card is ≧ 8, the game ends
e. It's the next person's turn and starts from action b.