Please help!!!

In economics, the most economical quantity Q of goods (TVs, dresses, gallons of paint, etc.) for a store to order is given by Wilson's lot size formula Q = f(K, M, h) = V2KM/h where K is the cost of placing the order, M is the number of items sold per week, and h is the weekly holding cost for each item (the cost of storage space, utilities, taxes, security, etc.). Find f(200, 900, 1). f(200, 900, 1) = units Interpret your answer. O For the given numbers, the most economical order size is 200 units. O For the given numbers, the most economical order size is 600 units. O No matter the numbers, the most economical order size is 1 unit. O No matter the numbers, the most economical order size is 900 unit. O For the given numbers, the most economical order size is 900 units