A project is contracted as a Cost$-$Plus$-$Fixed$-$Fee $($CPFF$)$ type of contract with a fee of $10\%$ of estimated costs. The estimated cost is US$ $50,000.$ If the project comes in at US$ $75,000$ with no changes in project scope, what would be the total cost of the contract?

A project is contracted as a Cost$-$Plus$-$Fixed$-$Fee $($CPFF$)$ type of contract with a fee of $10\%$ of estimated costs. The estimated cost is US$ $50,000.$ If the project comes in at US$ $75,000$ with no changes in project scope, what would be the total cost of the contract?

a$.$ $ $80,000$

b$.$ $$125,000$

c$.$ $ $55,000$

d$.$ $ $75,000$