Sheila has a plan to save $45. a month for 18 months so that she has $810 to remodel her bathroom. at 13 months, sheila has saved $510. if the most sheila can possibly save is $70 per month, which of the statements are true?

a.)sheila will meet her goal and will not need to adjust her plan.

b.)sheila must save $50 per month to achieve her goal.

c.)sheila must save $60 per month to achieve her goal.

d.)sheila will not be able to meet her goal.