Caleb's goal is to find a job that provides an income of at least $70,000 a year. Vanessa's Furniture offers him a job paying a base salary of $13,000 a year, plus a commission of 4% of his sales. Determine what Caleb's total sales will need to be for him to have a yearly income greater than or equal to $70,000. If Caleb takes the job with Vanessa's Furniture, he will need to have at least $ in total sales to have a yearly income greater than or equal to $70,000 per year