Zend certified PHP/Magento developer

Can somebody please answer this marketing/project management scenario?

You have a request from the Sales team at your employer, Really Cool Threads, for a new
promotional t-shirt. They’d like a plain gray t-shirt with a two-color logo screen-printed on the
front. The quantities they would like are as follows:

Small – 300
Medium – 300
Large – 300
X-Large – 300
2X-Large – 80

This t-shirt will require several steps to complete. As the Marketing Associate, you have
guaranteed the Sales team that the t-shirt will be available by November 1st
.
The steps needed to complete the task are below in no particular order. Using your knowledge
of project management, create a timeline for the new promotional t-shirt by putting the tasks in
order. Based on that, what date should this project begin?

• An internal art request is required to place the artwork on the selected t-shirt (allow 3
weeks)
• Initial exploration of the t-shirt is required, samples should be ordered and received
(allow 4-6 weeks)
• T-shirt design should be approved by Management (allow 1 week)
• T-shirt samples are reviewed for quality and durability and a style is selected (allow 1
week)
• A pre-production proof is required from vendor (allow 2 weeks)
• Final review of t-shirts, once arrived (allow 2 days)
• Final t-shirt production (allow 3-4 weeks)
• Internal approval of pre-production proof (allow 3 days)
• Shipping to our warehouse (allow 7 days)