TREMAINE: Wants a one-bedroom townhouse in a trendy new development downtown; the average cost is $145,000
Is preapproved for a 4.38% interest rate on a 30-year fixed mortgage
Has saved $15,000 for a down payment

If Tremaine waited until he had $30,000 saved for a down payment, how much money did he save by paying an extra $15,000 upfront? (total cost of home)

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