Asalesperson is paid a flat rate plus a fixed percentage of her sales. last month, she sold $16,000 worth of goods and was paid $1,600. two months ago, she had $12,000 in sales and was paid $1,400. this month she sold $11,000 worth of goods. how much will she be paid?

A salesperson is paid a flat rate plus a fixed percentage of her sales. Last month, she sold $26,000 worth of food and was paid $11,600 two months ago she had $12,000 in sales and was paid $1,4000 this month she sold $1 ,000 worth of goods how much will she be paid $1350

Could you make it more clear?