please answer this and please dont use excel method to answer this. Solve this with the basic method pleasee.

Acadian Bakers is a small sweets bakery in Houston, Texas. One of its products is a croissant. Acadian buys frozen croissants and takes them. For the sake of quality, the company doesn't want to store its frozen foods for more than one week. For orders of more than 576 cases, the delivery is free (saving $15 per order). A case contains 144 frozen croissants. Acadian has collected its total weekly sales for croissants (in cases) for the last 10 weeks. Management believes that the sales of croissants are increasing Werk Sales I 1 461 450 463 450 75 192 452 491 9 455 10 433 Question Can Acadian take advantage of the quantity discount, and if so, when