3ase Manufacturing Co,'s static budget at 7,700 units of production includes $23,100 for direct labor and $2,310 for electric power. Total fined costs are $43,000. At 10,900 units of production, a flexdble budget would show a. yariable corts of $35,970 and $60.870 of fured cont: b. variable costa of $25,410 and $43,000 c. vartakle and fixed corts totaling 500,410 d. variable costa of $35.970 and $43.000 of fixed couts