Bella’s beauties sells vacuums and shampooers. the vacuums have a unit selling price of $60 and unit variable costs of $20. the shampooers have a unit selling price of $100 and unit variable costs of $60. the fixed costs for the store are $80,000. the shampooers make up 1,200 of the units sold, while the vacuums make up 2,800 of the units sold. how many vacuums and shampooers must bella sell in order to break even?

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