Create a travel itinerary for Mr. Kanyemba's trip to Washington DC, including travel/flight details, trip details, and meal arrangements, based on Annexure A.

Step 1: Identify time spent in each town.
Town A: $2$ days
Town B: $3$ days
Town C: $4$ days

Formula for total stay time:
$t_{stay} = t_A + t_B + t_C$
Substitute values:
$t_{stay} = 2 + 3 + 4$
Simplify:
$t_{stay} = 9 days$

Step 2: Identify travel times.
A to B: $1$ day
B to C: $1$ day

Formula for total travel time:
$t_{travel} = t_{A to B} + t_{B to C}$
Substitute values:
$t_{travel} = 1 + 1$
Simplify:
$t_{travel} = 2 days$

Step 3: Calculate total trip duration.
Formula:
$t_{total} = t_{stay} + t_{travel}$
Substitute values:
$t_{total} = 9 + 2$
Simplify:
$t_{total} = 11 days$

Itinerary:
Days $1$--$2$: Town A ($2$ days)
Day $3$: Travel A to B ($1$ day)
Days $4$--$6$: Town B ($3$ days)
Day $7$: Travel B to C ($1$ day)
Days $8$--$11$: Town C ($4$ days)

11 days