Need 1, 2 and 3 in different docs with 4-5 references each in APA citation format – No Plagiarism please

Question 1:

In 500 words or more, compare DNS failover and cloud failover.

(500-550 words in word document with references 6 years or less old)(Please follow APA format) Please 3 references from journals or books will be appreciated. Write everything in own words.

Question 2:

1) Please describe the weighted average cost of capital. How do firms use the weighted average cost of capital for decision making?

2) How are the costs of debt and equity calculated?

(500-550 words in word document with references 6 years or less old)(Please follow APA format) Please 3 references from journals or books will be appreciated. Write everything in own words.

Question 3:

Chapter 12 Questions & Problems: 8, 9, 10

Chapter 13 Questions & Problems: 1, 3, 5, 18, 19

From the attached document below