The forecasted requirements for an electric hand drill for the next $6$ weeks are $15,40,10,20,50,$ and $30$ units. The marketing department has booked orders totaling $20,25,10,$ and $20$ units for delivery in the first $($current$),$ second, third, and fourth weeks. Currently, $30$ hand drills are in stock. The policy is to order in lots of $60$ units. Lead time is $1$ week.

Develop the MPS record for the hand drills.

A distributor of the hand drills places an order for $15$ units. What is the appropriate shipping date for the entire order?