AgencyProposals: Add % Dropdown to Coverage B, C, & D

These should be set from the amount that comes from the Risk Profile. This way if the Dwelling Coverage is changed but the %'s are not changed then it will save time on filling out the AgencyProposal.

Would want to support:

Coverage B:

• 0%

• 1%

• 2%

• 3%

• 4%

• 5%

• 6%

• 7%

• 8%

• 9%

• 10%

• 20%

• 30%

• Other %

• Other $ Amount

Coverage C:

• 0%

• 5%

• 10%

• 15%

• 20%

• 25%

• 30%

• 35%

• 40%

• 45%

• 50%

• 55%

• 60%

• 65%

• 70%

• 75%

• 80%

• 85%

• 90%

• 95%

• 100%

• Other %

• Other $ Amount

Coverage D:

• Add 0%

• Add 10%

• Add 20%

• Add 30%

• Other %

• Other $ Amount