What does 2(a) mean?

Attached is a sketch with unit prices for various types of flooring work. In teams of two: Estimate the total cost of the project. 1. i. Direct Cost based on the unit prices. 2. Create a schedule (Hand drawn or Excel is okay) a. Assume 50% of the unit cost is labor with a labor rate of $50 per hour i. Assume a crew of two and a one day minimum b. Assume the flooring types are all by different sub-contractors c. Assume that no two adjacent areas can be worked on at the same time 3. General conditions based on duration a. Include supervisor at $60 per hour i. A pick-up at $250 per week b. Safety PPE at $25 per day c. Porta Potty at $20o per month d. Trash pick-up $100 per day 4. Add home office overhead and profit of 10% 5. Add a bond cost of 2.5% on the sub-total Place you estimate and the duration on the bid form. Use a company name. We will have hour minimum this will give you the number of days 1 09 FINISHES QuantityUnit Type Unit CostTotal 3 Stone Pavers 4 Vinyl Tile 5 Quarry Tile 6 Ceramic Tile 7 Marble Flooring96.00 SF 8 Carpet 29.10 SF 00.00SF 198.75 SF 260.00 SF 16.30 S 5,364.33 2.00 $600.00 9.00 $ 1,788.75 7.75 $ 2,015.00 16.30 $1,564.80 27.00 $ 25,326.00 938.00SY 10 12 13 14 15