A toy manufacturer in Kozhikode has determined the demand $($in units$)$ for the next year. This demand information is shown in the below tableMonth$123456$Demand$5008001000140020001800$Month$789101112$Demand$13501100900240029001000$Each worker is paid a monthly salary of Rs$.8000$ and can produce $10$ toys per month. The owner does not resort to overtime, instead he prefers to hire and fire workers depending on his requirement. He can hire and train a new employee for Rs$.8000$ and layoff for Rs$.2000.$ In this way, he enables the local community to acquire some skills and gainfully employ themselves over time. The cost of holding inventory is Rs $125$ per month, cost of unmet demand is Rs$.250.$ At present there are $143$ employees in the manufacturing unit. Prepare a level production strategy for the toy manufacturer. If he had only $130$ employees instead of $143,$ what would be the cost of the identified strategy?