Answer:
$4200
Step-by-step explanation:
Base pay Lara is earning Per month = $1800.
Commission she is getting for selling merchandise = 6% of her sales.
Total Earnings will be the summation of Base pay and Commission she will get .
Now,
In a month Lara sold merchandise of worth $40000
So, commission she got for it will be 6% of $40000
which equals $2400.
So, Lara earned a commission of $2400.
Thus,
Total earning made by Lara in that month = Base Pay + Commission she got
= $1800 + $2400
= $4200
So, total earnings of Lara are $4200.