A pharmaceutical saleswoman earns a base pay of $42,500 per year and a commission of 13% of all sales made. If she sold $39,800 worth of merchandise last year, what were her total earning last year?

Considering the base without income taxes, considering the selling of the pharmaceutical products was taking place in a pharmacy and she probably was contributing to cover all the costs of delivering, deposit, advertise and sell the pharmaceutical products according to the standards imposed for that year and the base pay per year didn't change during the year and that she wad THE ONLY sales person and the worth of merchandise was imposed by the producer (in accordance to the national regulations / partial coverage by the state of the costs of the medicines, the reimbursement within the fiscal year she probably earned $42.500+13:100*39.800 which is around $47674