R$5-3($Static$)$ Bottom$-$up estimates...Top$-$down estimates $($You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.$)$Helpokintrencesare used in the project conceptual phase?depend on surrogate measures such as weight or square feet or ratios?do not consider individual activity issues and problems?are good for rough estimatescan help select and prioritize projectsare made by people familiar with the task?help to gain buy in on the validity of the estimate?improve the accuracy of the estimate? should be preferred if estimating cost is reasonableBottom up estimates $($You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.$)?$are made by people familiar with the task$5$ of $20$