Match the following estimation areas with its corresponding unit of measurement.

Match the following estimation areas with its corresponding unit of measurement.
1. Size A. Person Days
2. Effort B. Calendar Months
3. Schedule C. $290
4. Cost D. Production Support Point

a. 1-D, 2-A, 3-B, 4-C

b. 1-A, 2-D, 3-B, 4-C

c. 1-D, 2-B, 3-A, 4-C

d. None of the above