Three of the four types of processes are:

a. input, transformation, and output.
b. goods, services, and hybrids.
c. manual, automated, and service.
d. process focus, repetitive focus, and product focus.
e. modular, continuous, and technological.

D. process focus, repetitive focus, and product focus.

Explanation:

A process is an activity that involves transforming resources into finished goods and services. This involves four basic strategies among which are process focus, repetitive focus, and product focus. The fourth one is mass customization which is very flexible to meet changing needs of the customers. Process focus is based on large variety and low volume  whereas product focus involves high volume and low variety. Repetitive focus  averages between process focus and product.

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