Please I mostly need help with e and what are some ideas on what I can use thank you

Target Corporation prepares its financial statements according to U.S. GAAP. Targets financial statements and disclosure notes for the year ended February 3, 2018, are available here. This material also is available under the Investor Relations link on the companys website. Required: Target has both defined contribution and defined benefit pension plans. In Note 28 Pension and Postretirement Health Care Plans, Target describes its defined benefit plans. After reviewing Target's Financial Reports and Disclosures, please answer the following questions:

a. What were the changes in Targets Projected Benefits Obligation in the fiscal years ended February 3, 2018 (fiscal 2017), and January 28, 2017 (fiscal 2016), for its qualified pension plans?

b. What were the changes in Targets Pension Plan Assets in the fiscal years ended February 3, 2018, and January 28, 2017, for its qualified pension plans?

c. Were these pension plans overfunded or underfunded for the fiscal years ended February 3, 2018, and January 28, 2017?

d. What were the components of Targets Pension Expense in the fiscal years 2017, 2016, and 2015?

e. In conclusion, what suggested solutions will you recommend to ensure pension plans are properly funded?