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An array consists of number of employees required for each month. ‘Hire’ is the cost of hiring an employee and ‘serv’ is the cost of removing an employee and ‘sal’ is the cost of retaining an employee for a month.Cost for each month will be (no_hires * hire + no_fired * serv + no_retain * sal) Given, the requirement for any month will strictly lie between 1 and 41. What is the minimum possible total cost for the ‘n’ months.

Link:https://stackoverflow.com/questions/47032975/solution-company-hiring

How to start ,i think there are many possibilities here ,How to approach??