Problem $8$ Bandwidth power Link Budget problem

Table data to find maximum lengths power Link Budgets

a$)$Find the maximum fiber length based on a power budget b$)$Find maximum fiber length based on a bandwidth budget

km

c$)$ Based on your answers above your system is $($power$,$ bandwidth$)$ circle one limited and the actual maximum fiber length taking both effects into account is; $($NO CALCULATIONS REQUIRED HERE$)$