$6.$ A database system is to be developed. After the requirements, its size is estimated to be $15,000$ lines of code. Use the COCOMO model to determine a$)$ overall effort b$)$ phase$-$wise effort distribution c$)$overall schedule d$)$distribution of schedule in different activities e$)$ staffing and f$)$ Personnel plan.

Most cost drivers are considered as nominal, except the following :

reliability high $1\mathrm{.}15$

database size high $1\mathrm{.}08$

prog. capability high $0\mathrm{.}86$

Prog. Language experience high $0\mathrm{.}95$

Phase$-$wise effort distribution