Answer:
my answer would be the 3rd one about blocking it.
Answer
Using a good circuit board PCB design and shielding techniques
Explanation
EMI is a disruptive electromagnetic energy that is released by one portion of the circuit and reaches other parts of the circuit via conducted or radiated parts.The energy can affect circuit performance or even damage brain cells when high.It is possible to reduce this effect by employing the method of shielding and ground planes to prevent interference with wireless system operations.
Inventory and purchases are used to determine the last journal entry under the periodic method.
<h3>What is a Journal?</h3>
This is defined as a detailed account that records all the financial transactions of a business.
This is however done so as to be used for future reconciling of official accounting records. The periodic method has the Inventory and purchases as determinants in last journal entry of the accounting period.
Read more about Journals here brainly.com/question/19602610
