please help with these... I just need the ones that have an X

Differential Analysis Involving Opportunity Costs Treasury bonds that mature in 15 years. The bonds could be purchased at face value. The following data have been assembled: Required: zero, enter " 0. Differential nalysis for Sales Prorrotien Proposal have been assambiac far their peaslbie usefuliess in deciding which of tha product ta salect for the campalgn: Required: 1. Prepare a differential analysis as of November 2 to detemine whether to promote mo sturizer (altemative 1; or perfure :Altemative 2). I' an amount is zero, enter '0'. Differential Analvsis