What steps does madame loisel take to dress for the party in a way she feels is appropriate?

Madame Loisel cried and complains to her husband that she got nothing appropriate to wear to the party, and so her husband ask her how much a pretty dress would cost, her husband agrees to give her 400 franc to buy a dress. And as the date of the party approaches, Madame Loisel was upset again because she no jewelry to wear over her dress, and got an idea to borrow some jewels from her rich friend Madame Forestier.