Is my grammar correct??

[ty878998]

Generate sales from out-of-province residents over the telephone; while advising them of our current giveaways and offers.

Greet all customers entering the store; maintain clean and orderly check out area. Bag all customer merchandise, process all returns, and exchanges. Count the drawers contents, and compare the total with sales data at the end of every shift.

To obtain a meaningful and challenging position that enables me to learn valuable skills and allows for advancement.