Sammy makes monthly deposits from each paycheck into the various accounts, and then spends from those accounts only for their defined purposes. He knows that it is not a perfect system, but thinks that it will help to assure coverage for future expenses. Using his essential expenses as a guideline, how much will Sammy need to save if he wants to have 3 times the amount of his living expenses in the bank as part of his emergency savings. How long will it take him to achieve his goal? a. $1,712; approximately 8 months b. $5,136; approximately 24 months c. $6,486; approximately 30 months d. $2,162; approximately 6 months