Mrs. lopez has $9,118 in her bank account on march 1st. she saves $609 in march. then she must pay $1,011 in taxes in april. mrs. lopez is able to save $705 in may. at the end of may, approximately how much greater or less is her account balance than it was on march 1st?
a. her account balance is approximately $300 greater.
b. her account balance is approximately $1,100 greater.
c. her account balance is approximately $2,300 greater.
d. her account balance is approximately $9,400.

also, explain how you got the !