d) all of the mentioned

Explanation: Generally, however, a high-quality product is considered to have at least the following characteristics:

a) it satisfies the needs and expectations of the customer

b) it has a pleasing appearance and handles well

c) it has high reliability and functions safely over its intended life

d) it is compatible with and responsive to the customer’s capabilities and working environment

e) installation, maintenance, and future improvements are easy to perform and at low cost.