please help me understand these two problems, im having a hard time coming up with an answer that works

#1

#2

A company is building a new facility and is planning to invest an initial fund equal to $ 1200000 to cover the maintenance and renovation costs in perpetuity. The monthly operating and maintenance cost of the facility is $ 5000. The facility must be renovated every 5 years at a cost of $ 100000. Would the $1.2M be enough to cover these expenses? Question 1 If not, how much money would be needed to cover these expenses? Monthly effective interest rate is 0.5%. number (rtol=0.01, atol=1e-08) x 0% Your company is expected to make $ 20,000 payments to a subcontractor every quarter over the next five years. Question 1 How much you should set aside today to cover these payments. Annual interest rate is 4%, compounded quarterly. 450765.745 x 0%