Which of the following taxpayers may file as a head of household in 2018? marco provides all the support for his mother, sienna, who lives by herself in an apartment in fort lauderdale. marco pays the rent and other expenses for the apartment and properly claims his mother as a dependent. tammy provides over one-half the support for her 18-year old brother, dan. dan earned $4,200 in 2018 working at a fast food restaurant and is saving his money to attend college in 2019. dan lives in tammy's home. juan's wife left him late in december of 2017. no legal action was taken and juan has not heard from her in 2018. juan supported his 6-year-old son, who lived with him throughout 2018.a. marco onlyb. juan onlyc. tammy onlyd. marco and juan onlye. marco, tammy, and juan

How supply and demand work together to reach the equilibrium price in the marketplace? give at least a paragraph. you!

1. all other things equal, according to the law of demand, when the price of a good falls, the demand for the good falls the demand for the good rises the quantity demanded of the good falls the quantity demanded of the good rises 2. when a market is in equilibrium, the quantity of the good that buyers are willing and able to buy exactly equals the quantity that sellers are willing and able to sell cannot be determined is less than the quantity that sellers are willing and able to sell is greater than the quantity that sellers are willing and able to sell 3. which of the following factors does not influence the demand for a good or service? consumer (buyer) income the price of related goods the number of sellers buyer expectations 4. when the number of sellers in a market increases, demand rises supply rises the price rises, all else equal the number of buyers falls

Why are the four primary service outputs of spatial convenience, lot size, waiting time, and product variety important to logistics management? provide examples of competing firms that differ in the level of each service output provided to customers?