Please help !

The following actual income statements for Nottingham Ltd. are based on marginal costing principles. 's 2020 's 2020 105,000 's 2019 's 2019 95,000 Sales (@50) Opening inventory (@25) Variable production costs (@25) 15,000 50,000 65,000 12,500 12,500 50,000 62,500 15,000 Closing inventory (@25) 52,500 47,500 52,500 47,500 Contribution Fixed production costs Other fixed costs 20000 11500 19,500 11,000 31,500 21,000 30,500 17,000 Profit Budgeted sales and production for both years was 2,000 units. Budgeted fixed production costs for both years were 20,000. Required (maximum word count: 150 words): (a) Prepare the actual income statements for Nottingham Ltd. based on absorption costing principles, and assuming that the basis of overhead absorption is per unit. (b) Explain, with full supporting calculations, why the absorption costing profit or loss, for each year that you calculated in part a) above, is different to the associated profit under marginal costing