Table 7 Various costs related to the DDSD and the photovoltaic system.

From: Mathematical modeling, drying kinetics, and economic analysis of a hybrid photovoltaic thermal solar dryer for henna leaves

Cost parameters

DDSD

Photovoltaic system

Capital cost, USD

200

62.5

Annual capital cost, USD

40.17

12.83

Annual maintenance cost, USD

1.205

0.385

Annual salvage value, USD

3.2135

1.027

Annualized investment cost, USD

38.16

12.19

Annual cost of the DDSD integrated photovoltaic system, USD

50.35

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