pleasE, help with the following problem with as much detailed solution as possible:

Betty DeRose, Inc. manufactures a single product that it sells for $45 per unit. Provided below is information about this product for the past six months: Month March April May June July August Units Sold 5,390 7,040 6,670 8,610 5,540 7,960 Total Cost Incurred $173, 190 $208,460 $201,270 $240,810 $175,790 $231,040 Calculate the number of units of this product that Betty DeRose, Inc. needs to sell in September in order to earn a net income for September that is equal to 32% of the sales in September