Dan uses the equation g(x)=5x+50 to model the balance of his savings account after saving for x weeks. What is the value and meaning of g(60) in the context of the problem? A After 2 weeks the balance of the account is $60. B After 12 weeks the balance of the account is $60. C After 60 weeks the balance of the account is $300. D After 60 weeks the balance of the account is $350.