Please answer correct explain plz asap plz both are questions

Don't answer by pen paper plz

1.1 Why is the wage rate. w, the cost to the firm when the firm hires an additional worker? Group of answer choices: a. Regardless of how many employees the firm hires. the firm is a wagetaker and must hire the additional worker at w b. The firm changes the wage rate to hire an additional worker c. Workers typically demand a higher wage rate if the company is hiring d. The productivity of the worker is expected to be w. which changes for every additional worker hired by the firm. 1.2 In the short run, can the stock (or level) ofcapital change? Group of answer choices: a. Sometimes. if capital becomes cheap b. Firms are always changing capital, regardless ofthe time frame c. Most of the time, firms just want to hire workers because they are cheaper d. Firms in the short run can't change how much capital they use. only in the long run