Answer:
okay let's start
Step-by-step explanation:
[tex]3\% = \frac{3}{100} \\ = 0.03 \\ total \: sales \: = 150000 \\ 0.03 \times 150000 = 4500 \\ \: for \: a \: month \\ therefore \: for \: a \: year \\ 4500 \times 12 = 54000 \\ \\ the \: answer \: is \: d[/tex]