Anika works in a company that manufactures car parts. She works with a team that creates a drawing of an engine employing computer software classified as a system. Their machines then use the drawing to create the required part. That process is referred to as​

Helen's credit card has an apr of 15.32% and a grace period of 17 days and helen pays her balance in the full every month. if her last billing cycle ended on september 26, 2009, and she made her payment on october 11, 2009, did she owe any interest on her last statement's balance?