The government of Zambia has decreed that maize is strategic commodity and that it must be available in all parts of the country. The Food Reserve Agency (FRA), as a state-owned company, has been mandated to buy maize from farmers and distribute the maize to its depots located in all the provincial centres of Zambia. During the last season, the sales in Kwacha to each depot and related marketing costs are shown in Table

Depot	Sales	Delivery expenses	Wages	Storage costs	Promotion expenses
Central	10000	-	5000	-	500
Lusaka	7500	300	3750	1000	700
Southern	4000	1000	2000	500	200
C/Belt	6000	200	3000	800	300
N/western	2000	300	1000	200	200
Western	1000	500	500	100	100
Eastern	9000	800	4500	300	400
Northern	4000	600	2000	200	100
Muchinga	3000	700	1500	300	100
Luapula	4000	600	2000	200	100

Required:

1. Use market segmentation analysis to identify the most profitable province.

2. Given the relative level of profit, identify the province which has the highest proportion of marketing costs to sales.

(Justify your answers by showing pertinent computations)