Implied as the term means that it is obvious, further guarantee means that the guarantee is obvious.
Now, this is because of the use of the product, as for example there is an equipment called heater, which is generally sold in winters, as it warms the room.
Now it is implied that the heater shall at-least be in proper condition and shall work without any failure for one season of winters.
Answer: tell them what you observe and sometimes you will have to reward them such as candies in order to show them that they did a splendid job. This will let them realize that they did a great job.
Delayed Payment means a purchase by a buyer in which title to the grain passes to the buyer at a determined price and payment to the seller is not made in less than twenty-one (21) days after delivery.