An average sale at Country Style is $10 with the average variable cost at $6. What is the average contribution margin percent to the nearest whole number?

Comprehensive illustrative problem: mira's store on february 1 20a4 mica delaman opened astore that sells school supplies her main customer are the students and teachers of happy students school that is situated in front of her store. mira wanted to know the financial position of mira's store. mira knew you were studying accounting. so she asked for . 1. to start her business mira's opened a checking account in the name of mira's store . the statement of account from the bank shows that the checking account has a balance of 31,535 of december 31,20a4

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Why is efficiency an important economic goal?