Lorenzo has a checkbook balance of $118.00. he writes two checks, one for $9.00 and one for $84.25. he then deposits $95.00. finally, he uses his calculator to determine his new balance. which one of the following series represents the correct order in which he should press the keys on his calculator?                 a.  [118] [–] [9] [–] [84.25] [+] [95] [=]      b.  [95] [–] [118] [+] [9] [–] [84.25] [=]      c.  [84.25] [=] [118] [+] [9] [÷] [95] [=]      d.  [118] [–] [95] [+] [84.25] [–] [9] [=]