Question $1$:Guide Me NotificationsOne method through which reinsurance is provided is through an organization of insurers that underwrites insurance on a joint basis. Through the organization, financial capacity is available for large commercial risks. What is this reinsurance arrangement called?Question $2$:Granite Insurance Company entered into a treaty reinsurance agreement with Rock Solid Reinsurance $($RSR$).$ Granite's retention limit is is S$400,000$ and RSR agreed to provide reinsurance for up to $$2\mathrm{.}0$ million. If Granite writes an $$800,000$ policy for a client and its client recently suffers from a $$500,000$ loss,$($a$)$ How much will Granite pay?$($b$)$ How much will RSR pay?Question $3$:When a fraternal insurer began operations, it asked each member, regardless of age, to pay $520$ per month to the fraternal's group life insurance plan. In exchange, each member received the same amount of life insurance. Soon younger members of the group began to drop out when they realized their premiums were subsidizing theolder workers who had a higher chance of loss. Which important underwriting principle was violated in this case?Question $4$:Which of the following statements about treaty reinsurance is true?A$)$ Under a surplus $-$ share treaty, $100$ percent of the ceding insurer's liability must be transferred to the reinsurer.B$)$ Using a quota $-$ share treaty increases the ceding insurer's unearned premium reserve$\mathrm{.}0)$ Under an excess $-$ of $-$ loss treaty, the reinsurer pays losses in full only If they are less than the ceding insurer's retention limit$.$ D$)$ Using a reinsurance pool provides