Problem 45450. Don't be Too Greedy!

Refer to the prev problem https://www.mathworks.com/matlabcentral/cody/problems/45416-don-t-be-greedy

A list of assignments is given to the students. For this problem, assume - each of the assignment carries equal marks.

Different assignments take different amounts of time to complete - which is also given.

But for each day of delay before starting an assignment, a penalty is added.

for example,

   Assignment = [ a1, a2, a3, a4, a5, a6]
   Marks      = [100,100,100,100,100,100]
   Time Req.  = [  2,  4,  3,  8,  1, 10]
   Penalty    = [ 10,  4,  1,  2,  5,  2]

Now, say if he starts with the 1st assignment - then a penalty will be added to all the other assignments for two days since it takes 2 days to complete the 1st assignment.

Then say he starts the 2nd assignment which takes 4 days to complete. So penalty will be added for the other assignments that he hasn't started yet (not the 1st one--since it's been finished)

In which order should he finish his assignments so that he has to suffer the minimum penalty.