Figure $1$ shows the amount of work distribution, in man-hours, for a software between offshore and onsite activities. Figure $2$ shows the estimated and actual work effort involved in the different offshore activities in the same company during the same period. [Note: Onsite refers to work performed at the customer's premise and offshore refers to work performed at the developer's premise.]
The total effort in man-hours spent onsite is nearest to which of the following?
- The sum of the estimated and actual effort for offshore design
- The estimated man-hours of offshore coding
- The actual man-hours of offshore testing
- Half of the man-hours of estimated offshore coding