<span>Below are the tasks:
Automate security so you can lock and unlock doors remotely.
Remotely turn on a fan found in your grandmother's attick.
Reduce energy consumption in home appliances.
Monitor engine emissions in a car.
Manages financial transaction at an ATM.</span>
Answer:
A. $5,460
Explanation:
Expected rate of defects = 7%
Average repair cost = $70
Total sales = 1,200 units
Actual defective units = 6
Liability for product warranties (L) at month-end should be the difference between the expected warranty costs (EW) and the actual warranty (AW) costs:

Liability for product warranties at month-end should be $5,460.
Answer and Explanation:
The Preparation of the company's revenue and spending variances for December is prepared below:-
The report with respect to the company revenue and spending variance is presented in the attachment below
The revenue refers to the sales of the company
And, the spending variance refers to the difference between the actual amount of expenses incurred and the budgeted amount of expenses incurred. The same is shown in the below attachment.
The answer to the question is 3. Stakeholders. They are the group that has a legitimate interest to the execution or output of the organization and whose interest may be positively or negatively affected by the organization's action or output.