Respuesta :
Go 1800 times 6 percent, and then add that to 40,000. I think that's what you do if not sorry I need a piece of paper but i don't have one right now to fully figure it out.
She makes $4,200 a month
Because 6% of $40,000 is $2,400
So $2,400 plus the $1,800 she already makes is $4,200 a month