Account balance: At the beginning of the year you make a deposit in a savings account and let the account grow with interest. The accompanying table shows the account balance at the beginning of...

Account balance: At the beginning of the year you make a deposit in a savings account and let the account grow with interest. The accompanying table shows the account balance at the beginning of certain months.

a. Find the equation of the regression line for the natural logarithm of the data. (Round the regression line parameters to four decimal places.)

b. Use the logarithm as a link to find an exponential model for the balance. (Round the growth factor to four decimal places.)

c. What monthly interest rate best describes the account growth?

d. Estimate the balance at the beginning of March.