please explain step by step eith formulas please

Reculred intormetion The followng informacioa apples to the questions dicplayed below? Jorgansen Lighting. incorpocated, manufacture heavy duty street igiting systetrs for muncipaitfes. The company uses variabie costing for internal monogement reports and absorption costing for exteinal reports to shareholders erectiots. arid the government. The company tas provided the following data: The companys fixed manufocturing overhead per unit was constant at $560 for all theee yeark. 2. Assume in Year 4 that the compony's variable costing net operating income wos 5250,000 and its obsotptoni costling net operating iscome was 5700,000 . 7. Ced inventones incieste or aecresse dunng Year 4 ? increose 0 Detrease D. How much fiked manutactueing ovethead cost was deferred or releaced from inventory during Year A