Answer the questions below

based on the extract from the

solo financial statement of

Generali TU SA for the year $2022,$

covering technical account for

direct business in class $3($all the

questions are related to direct

business in class $3)$:

a$)$ Calculate retention ratio for

the year $2022$

b$)$ Calculate gross claims ratio

for the year $2021$

c$)$ Calculate combined ratio for

the year $2022$

d$)$ Calculate profitability ratio

of technical activity $($net$)$ for

the year $2022$

Please give a detailed explanation, thank you