Hello, please can someone help me for questions a, b and c please .
Thanksss

Acrosswalk_when there are no pavement markings.

Xinhong company is considering replacing one of its manufacturing machines. the machine has a book value of $39,000 and a remaining useful life of 5 years, at which time its salvage value will be zero. it has a current market value of $49,000. variable manufacturing costs are $33,300 per year for this machine. information on two alternative replacement machines follows. alternative a alternative b cost $ 115,000 $ 117,000 variable manufacturing costs per year 22,900 10,100 1. calculate the total change in net income if alternative a and b is adopted. 2. should xinhong keep or replace its manufacturing machine

Security prices are set by active market participants. which of the following is not a consequnce of this fact? a. the market price will be set by the buyer who can take best advantage of the asset. b. the price is set by the buyer willing to pay the highest price. c. superior information about an asset can increase its value by reducing its risk. d. market participants have a strong incentive to reveal private information about a security.