$1-$ Responsive sourcing is usually NOT good for which one of the following products: a$-$Products with low demand volatility and high labor content. b$-$Products with high demand volatility and low labor content. c$-$Products at their early stage of life cycle. d$-$Products with high quality requirements. $2-$ Which one of the following statement is wrong? a$-$A lot or batch size is the quantity that a stage of the supply chain either produces or purchases at a given time. b$-$The inventory profile is a plot depicting the level of inventory over time. c$-$Lot sizes and cycle inventory do not affect the flow time of material within the supply chain. d$-$Cycle inventory exists in a supply chain because different stages exploit economies of scale to lower total cost. e$-$A key to reducing cycle inventory is the reduction of lot size. $3-$ Which one of the following statements is wrong? a$-$There are many supplier characteristics other than price, such as lead time, reliability, quality, and design capability that impact the total cost of doing business with a supplier. b$-$A good supplier scoring and assessment process will primarily track performance along the price dimension when evaluating a supplier. c$-$Design collaboration ensures that any design changes are communicated effectively to all parties involved with designing and manufacturing the product. d$-$The goal of procurement is to enable orders to be placed and delivered on schedule at the lowest possible price. e$-$The role of sourcing planning and analysis is to analyze spending across various suppliers and component categories to identify opportunities for decreasing the total cost.