4. The Kiliti County Government requires the Mokowo-Hindi (CH2) Road to be upgraded to improve on regional mobility. A traffic volume count on the road shows Annual Average Daily Traffic (AADT) of 5000 vpd in 2021. The proposed improvement will cater for a 20- year medium-term planning horizon up to 2041. Additional studies established that normal traffic growth may be taken as 50 per cent of the current traffic and diverted traffic may be taken as 30 per cent Calculate the Traffic Projection Factor if an increase of 1000 vehicles per day is expected due to development, and also determine the AADT in 2033 (10 Marks)