Please help me solve all of the questions in the picture attached. I have an exam and would greatly appreciate any help!. Thanks alot!

The phase diagram in fig. 3 has been proposed to account for the mechanism by which chocolates are made with a soft caramel interior. The proposal is that the appropriate composition should be cooled from the homogeneous liquid through the miscibility gap to room temperature. As the top corporate expert in Materials Science you are given the assignment to develop a new product idea from marketing that is to be called "sweet revenge". The marketing wizards even have a slogan, "Easy to hold, but melts in your mouth as you enjoy it". Since the CEO is sold on the idea, you must devise some way of making the product. By using the information on the phase diagram in fig. 3 suggest a way of treating a chocolatecaramel combination that lives up to the slogan for sweet revenge. RT - Room Temperature MT - Mouth Temperature Tg - Glass Transition (hypothetical)