Which matrix is equal to 3a? a = 4 9 13 5 - 7 12 16 8 - 12 27 39 15 - 1 6 10 2 - 12 9 13 5

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