Answer both please

a. Identify and describe the most important constraints for such a venture (e.g., the vegetables usually have a very narrow shipping window as they are highly perishable). Propose a solution for each constraint and describe it in a brief paragraph. b. Search and describe in a paragraph at least 2 existing businesses that are attempting to sell/deliver vegetables online, then identify their potential shortcomings and explain how your e-commerce solution would improve the business