Answer:
a. Source documents provide control and reliability in an accounting information system.
Explanation:
The source documents are the documents that support all types of business transaction. It can be in terms of bank statement, purchase order, sales order, supplier invoices, etc. It can also known as vouchers
With the help of the source documents the accounting system provides the reliable and controlling of transactions
This is the first step to verify the transactions after that recording, posting of transactions could be done.
The correct answer is; businesses and anyone who works and pays taxes.
Further Explanation:
Any one who is working in the United States has to pay income taxes. Businesses must also pay income taxes. Income taxes are due each year, generally from January 1st until April 20th.
People can do their own taxes or hire an accountant to do them. There are numerous websites where it is free to file taxes such as Turbotax and H&R Block. If a person has overpaid they are due a refund.
Both businesses and individuals can file for an extension on their taxes.
Learn more about IRS at brainly.com/question/12498230
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Solution:
a. The first year depreciation = $3,160
The second year depreciation = $5,100
b. By considering 75% used for business purchase
For 2018 , for 7 months remaining
Depreciation = $3,160 x 75% ( 
= $1382.50
For 2019 ,
Depreciation = $5,100 x 75% = $3,825