Which bаr mоdel аnd unit sоlutiоn combinаtion show an accurate way to depict and solve the following word problem? Leanna wants her son to have a birthday cake. If she buys a cake from the bakery it will cost her $30. If she makes the cake herself, it will save her 20% of what the bakery charges her. How much money would Leanna save if she made the cake herself instead of buying it? Figure A long description (click to reveal) Homemade bar has 5 units set equal to 100%. Bakery has 6 units set equal to 120% and 30. Question mark is over one unit. Teacher's Solution reads 1 unit = 20%, 20% of 30 = 1/5 x 30 = 6. Leanna will save $6 by making her own cake. Figure B long description (click to reveal) Bakery bar has 5 units set equal to 30. Homemade has 4 units set equal to 80%. Question mark is over one unit. Teacher's Solution reads 5 units = 30, 1 unit = 30/6 = 6, 4 units = 4 x 6 = 24. Leanna will save $24 by making her own cake. Figure C long description (click to reveal) Homemade bar has 5 units set equal to 100%. Bakery has 6 units set equal to 120% and 30. Question mark is over one unit. Teacher's Solution reads 6 units = 30, 1 unit = 30/6 = 5. Leanna will save $5 by making her own cake. Figure D long description (click to reveal) Bakery bar has 5 units set equal to 100% and 30. Bakery has 4 units set equal to 80%. Question mark is over one unit. Teacher's Solution reads 5 unit = 30, 1 unit = 30/5 = 6. Leanna will save $6 by making her own cake.