B. Solve. Show your solution in solving the problem.

1. A bag costs P506.25. Lisa has saved 283.25. How much she still needs to buy the bag?

2. Tanya spent P175.45 for a box of chocolates and P17.20 for a box of candies. She gave her younger brother P135.00. The money she had left was 113.35, How much did she have at first?

3. Darla sells a cake for P280.00. Her labour costs P35.50 per cake, Flour costs P30.75. Other costs add up to P97.15. What is Darla's profit on each cake?​