$467,100
Explanation:
The solution of cumulative mark to market is shown below:-
Total cost for 90,000 bushels = Per bushel × Needed bushels
= $5.19 × 90,000
= $467,100
Therefore for calculating the total cost we simply applied the above formula i.e by multiplying the per bushel with the needed bushels so that the total cost for 90,000 bushels could arrive