ANSWER: $265.825
You Multiply 245 time .085 or 8.5% and add the answer to $245
Subscribe to PewDiePie
FFFFFUUUCCCKKKUUUUUUUUUKKKKKKKKCCCCCCCCCFFFFFFFFFFFF
$1059.83 Use this formula:

P=principal of 519
r= your rate of 4.2% as a decimal
n=number of compounding periods; yours is daily or 365 day in a year.
t=time involved of the investment in years; yours is 17