Toms weekly salary is increased from 240 to 288. what was the percent of change

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425

Ithink it’s b because it say 3 plastic rings and all the balls