Table:
|  |  | Years Ended September 30, |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 |
| Company-Sponsored Research and Development Expense: |  |  |  |
| Cubic Transportation Systems | $  10,948 | $  13,394 | $  26,308 |
| Cubic Mission Solutions | 27,111 | 22,745 | 11,949 |
| Cubic Global Defense | 10,573 | 16,259 | 14,395 |
| Unallocated corporate expenses | 1,500 | — | — |
| Total company-sponsored research and development expense | $  50,132 | $  52,398 | $  52,652 |
Paragraphs:
Strategic Innovation-focused Investment of Capital
We target markets that have the potential for above-average growth and profit margins where domain expertise, innovation, technical competency and contracting dynamics can help to create meaningful barriers to entry. We will strategically reinvest our cash in key program captures, internal research and development (R&D), and acquisitions to target priority markets and help ensure market leading positions to drive long-term shareholder return.
We are committed to using innovation and technology to address our customers’ most pressing problems and demanding requirements. We have made meaningful and recognized contributions to technological advancements within our industries.
The cost of company-sponsored R&D activities included in our Consolidated Statements of Operations are as follows (in thousands):
Question:
How many types of company-sponsored R&D activities are there in the table?
Answer: Objects satisfying the requirements:
Cubic Transportation Systems
Cubic Mission Solutions
Cubic Global Defense
Unallocated corporate expenses
As a result, the answer is 4