Steps for

Problem $1.$ A company wants to develop a level production plan for a family of products. The opening inventory is $100$ units, and an increase to $180$ units is expected by the end of the demand for each period given in what follows. How much should the company produce each period? What will be the ending inventories in each period? All periods have the same number of working days.

$\backslash$table$[[$Period$,1,2,3,4,5,6,$Total$],[$Forecast Demand,$100,120,125,130,115,110,],[\backslash$table$[[$Planned$],[$Production$]],,,,,,,],[\backslash$table$[[$Planned$],[$Inventory$]],,,,,,,]]$