Define these in your own words Utility

Cash Flow

Spending Habits

Purchasing Power

Cost/Benefit Analysis

Budget

See explanation

Explanation:

Utility = Utility is the satisfaction that is gotten when we use a particular commodity.

Cash Flow = Cash flow simply refers to net amount of cash that is being moved in and out of business.

Spending Habits = Spending habits simply refers to the habits of individuals when it comes to spending their money.

Purchasing Power = Purchasing power simply means the value of a currency which has to do with the amount of goods and services that money can buy.

Cost/Benefit Analysis = This simply refers to looking at different alternatives such as weighing both the benefit of an action and its cost in order to know if it's worth it or not.

Budget = Budget is a plan showing the revenue and the expenses for a particular time period.

3. talk on the phone five times a day

4. say "my love" or "my heaven" whenever they speak.

Explanation:

Talk on the phone five times a day and say "my love" or "my heaven" whenever they speak to each other are the actions which fed up their friends. They talk too much with each other and say the words i.e.  "my love" or "my heaven" when they speak to each other that make their friends annoyed and unhappy so we can say that these two actions make their friends fed up from them.