Carey opens a law office in Chicago on January 1, 2019. On January 1, 2019, Carey purchases an annual subscription to a law journal for $170 and a 1-year legal reference service for $1,500. Carey also subscribes to Chicago Magazine for $54 so she can find great places to take client's to dinner and review the Best 50 Lawyers in Chicago list published each year. Calculate Carey's deduction for the above items for the 2019 tax year.

$1276

Explanation:

annual subscription =$170

legal reference fee =$1500

chicago subscription =$54

carey has a 1-year legal reference service and used  a certain amount for two different subsriptions. so, to get carey's deduction, you add the 2 subscriptions from the legal service.

that is,

$1500- $(170+54)

$1500-$224

$1,276

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

atp is used for energy.